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| | | Author: | Brick_professor  | | Posted: | Jul 10, 2022 12:50 | | Subject: | 920 or 483 Alpha-1 Rocket Base? | | Viewed: | 79 times | | Topic: | Help | |
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| Hi,
I have found the set Alpha-1 Rocket Base at my old house, but there are actually
2 numbers for this set: 920 and 483.
I have tried to find the difference between those 2, but I couldn't find
it. I unfortunately don't have the original instructions so I can't check
which I have.
There is also a big difference between the prices when you search it up.
Can someone tell me if there is a difference between those 2 sets?
Kind regards,
Arne
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| | | | | Author: | SylvainLS | | Posted: | Jul 10, 2022 13:29 | | Subject: | Re: 920 or 483 Alpha-1 Rocket Base? | | Viewed: | 43 times | | Topic: | Help | |
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| In Help, Brick_professor writes:
| | Hi,
I have found the set Alpha-1 Rocket Base at my old house, but there are actually
2 numbers for this set: 920 and 483.
I have tried to find the difference between those 2, but I couldn't find
it. I unfortunately don't have the original instructions so I can't check
which I have.
There is also a big difference between the prices when you search it up.
Can someone tell me if there is a difference between those 2 sets?
Kind regards,
Arne
|
is the USA version, is the international (Europe+) version.
You can compare their inventories here:
https://www.bricklink.com/catalogInvCompare.asp
(and then scroll down).
Seems the only difference is with the variants
But it’s not certain the difference is real. That may mean the a variant was
never put in the international version but it may also be due to a sampling bias:
it was not found yet or it was found but not reported.
Of course, there’s also differences in boxes and maybe instructions.
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| | | | | | | Author: | elias3 | | Posted: | Jul 10, 2022 13:54 | | Subject: | Re: 920 or 483 Alpha-1 Rocket Base? | | Viewed: | 35 times | | Topic: | Help | |
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| In Help, SylvainLS writes:
| | In Help, Brick_professor writes:
| | Hi,
I have found the set Alpha-1 Rocket Base at my old house, but there are actually
2 numbers for this set: 920 and 483.
I have tried to find the difference between those 2, but I couldn't find
it. I unfortunately don't have the original instructions so I can't check
which I have.
There is also a big difference between the prices when you search it up.
Can someone tell me if there is a difference between those 2 sets?
Kind regards,
Arne
|
is the USA version, is the international (Europe+) version.
You can compare their inventories here:
https://www.bricklink.com/catalogInvCompare.asp
(and then scroll down).
Seems the only difference is with the variants
But it’s not certain the difference is real. That may mean the a variant was
never put in the international version but it may also be due to a sampling bias:
it was not found yet or it was found but not reported.
Of course, there’s also differences in boxes and maybe instructions.
|
Hi
For the 920 set:
Weird that this hasn't been updated yet.
The original 1979 version came out with the -a type.
The -b type did not exist yet, came out in 1982-1983.
As the sets were available for longer at that time, it is possible that a -b
type was in a later release.
Stefaan
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| | | | | | | | | Author: | peregrinator | | Posted: | Jul 10, 2022 14:07 | | Subject: | Re: 920 or 483 Alpha-1 Rocket Base? | | Viewed: | 33 times | | Topic: | Help | |
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| In Help, elias3 writes:
| | Hi
For the 920 set:
Weird that this hasn't been updated yet.
The original 1979 version came out with the -a type.
The -b type did not exist yet, came out in 1982-1983.
As the sets were available for longer at that time, it is possible that a -b
type was in a later release.
Stefaan
|
This is my recollection, that the -b type with low attachment came out later,
though I could not say exactly when this happened.
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| | | | | | | | | | | Author: | SylvainLS | | Posted: | Jul 10, 2022 14:27 | | Subject: | Re: 920 or 483 Alpha-1 Rocket Base? | | Viewed: | 35 times | | Topic: | Help | |
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| In Help, peregrinator writes:
| | In Help, elias3 writes:
| | Hi
For the 920 set:
Weird that this hasn't been updated yet.
The original 1979 version came out with the -a type.
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|
But do you have proof?
| | | | The -b type did not exist yet, came out in 1982-1983.
As the sets were available for longer at that time, it is possible that a -b
type was in a later release.
Stefaan
|
This is my recollection, that the -b type with low attachment came out later,
though I could not say exactly when this happened.
|
Yes, but when exactly is the question and the catalogue doesn’t help much with
that:
— if the change between a & b was year Y (and as LEGO may have used its stocks
for a couple years, Y’s actually not a unique date but a period itself),
— there’s sets with both variants: their release year was a previous year X (X
smaller than Y), and their last year was a later year Z (Z greater than Y),
— and therefore both variants will have at least [X:Z] as production years in
the catalogue and Y doesn’t appear anywhere 
So we have to wait for someone with an a variant in an original 920-2 to chime
in….
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| | | | | | | | | | | | | Author: | SylvainLS | | Posted: | Jul 10, 2022 14:31 | | Subject: | Re: 920 or 483 Alpha-1 Rocket Base? | | Viewed: | 30 times | | Topic: | Help | |
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| In Help, SylvainLS writes:
[[…]
| | — if the change between a & b was year Y (and as LEGO may have used its stocks
for a couple years, Y’s actually not a unique date but a period itself),
— there’s sets with both variants: their release year was a previous year X (X
smaller than Y), and their last year was a later year Z (Z greater than Y),
— and therefore both variants will have at least [X:Z] as production years in
the catalogue and Y doesn’t appear anywhere
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Huh, seems I’ve been reading too much Maths these last days 
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| | | | | | | | | | | | | | | Author: | elias3 | | Posted: | Jul 10, 2022 15:04 | | Subject: | Re: 920 or 483 Alpha-1 Rocket Base? | | Viewed: | 25 times | | Topic: | Help | |
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| In Help, SylvainLS writes:
| | In Help, SylvainLS writes:
[[…]
| | — if the change between a & b was year Y (and as LEGO may have used its stocks
for a couple years, Y’s actually not a unique date but a period itself),
— there’s sets with both variants: their release year was a previous year X (X
smaller than Y), and their last year was a later year Z (Z greater than Y),
— and therefore both variants will have at least [X:Z] as production years in
the catalogue and Y doesn’t appear anywhere
|
Huh, seems I’ve been reading too much Maths these last days
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😁
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| | | | | | | | | | | | | Author: | elias3 | | Posted: | Jul 10, 2022 15:06 | | Subject: | Re: 920 or 483 Alpha-1 Rocket Base? | | Viewed: | 25 times | | Topic: | Help | |
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| In Help, SylvainLS writes:
| | In Help, peregrinator writes:
| | In Help, elias3 writes:
| | Hi
For the 920 set:
Weird that this hasn't been updated yet.
The original 1979 version came out with the -a type.
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|
But do you have proof?
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You don’t to have proof to know this, the -b part was not yet exist at that time
😉
| |
| | | | The -b type did not exist yet, came out in 1982-1983.
As the sets were available for longer at that time, it is possible that a -b
type was in a later release.
Stefaan
|
This is my recollection, that the -b type with low attachment came out later,
though I could not say exactly when this happened.
|
Yes, but when exactly is the question and the catalogue doesn’t help much with
that:
— if the change between a & b was year Y (and as LEGO may have used its stocks
for a couple years, Y’s actually not a unique date but a period itself),
— there’s sets with both variants: their release year was a previous year X (X
smaller than Y), and their last year was a later year Z (Z greater than Y),
— and therefore both variants will have at least [X:Z] as production years in
the catalogue and Y doesn’t appear anywhere
So we have to wait for someone with an a variant in an original 920-2 to chime
in….
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| | | | | | | | | | | | | | | Author: | SylvainLS | | Posted: | Jul 10, 2022 15:10 | | Subject: | Re: 920 or 483 Alpha-1 Rocket Base? | | Viewed: | 26 times | | Topic: | Help | |
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| In Help, elias3 writes:
| | In Help, SylvainLS writes:
| | In Help, peregrinator writes:
| | In Help, elias3 writes:
| | Hi
For the 920 set:
Weird that this hasn't been updated yet.
The original 1979 version came out with the -a type.
|
|
But do you have proof?
|
You don’t to have proof to know this, the -b part was not yet exist at that time
😉
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I asked because catalogue changes generally need more proof than ‘everybody knows’
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| | | | | | | | | | | | | | | | | Author: | 1001bricks | | Posted: | Jul 10, 2022 15:15 | | Subject: | Re: 920 or 483 Alpha-1 Rocket Base? | | Viewed: | 31 times | | Topic: | Help | |
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| | | | |
You don’t to have proof to know this, the -b part was not yet exist at that time
😉
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I asked because catalogue changes generally need more proof than ‘everybody knows’
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Agreed, everybody knows this!
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| | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | Author: | peregrinator | | Posted: | Jul 10, 2022 15:10 | | Subject: | Re: 920 or 483 Alpha-1 Rocket Base? | | Viewed: | 29 times | | Topic: | Help | |
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| In Help, SylvainLS writes:
| | Yes, but when exactly is the question and the catalogue doesn’t help much with
that:
|
My recollection (and of course, this is 40+ years ago and only applies to myself
anyway) is that it was contemporaneous with the introduction of yellow space
minifigures, which was 1982 or thereabouts. 920/483, 924/487, and 928/497 definitely
did not have the -b ones
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| | | | | | | | | | | | | | | | | Author: | peregrinator | | Posted: | Jul 10, 2022 15:44 | | Subject: | Re: 920 or 483 Alpha-1 Rocket Base? | | Viewed: | 26 times | | Topic: | Help | |
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| In Help, SylvainLS writes:
As I said I was speaking only of the sets I owned, and my recollection of them.
But, again speaking only for myself, I'd have to see some pretty powerful
evidence (e.g. a sealed set) to convince me that the -b part existed when 483/920
etc. were in production. I would totally believe that some copies of 6970 or
6929 came with the -b variant.
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| | | | | | | | | | | | | | | | | | | Author: | SylvainLS | | Posted: | Jul 10, 2022 16:21 | | Subject: | Re: 920 or 483 Alpha-1 Rocket Base? | | Viewed: | 40 times | | Topic: | Help | |
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| In Help, peregrinator writes:
| | In Help, SylvainLS writes:
As I said I was speaking only of the sets I owned, and my recollection of them.
But, again speaking only for myself, I'd have to see some pretty powerful
evidence (e.g. a sealed set) to convince me that the -b part existed when 483/920
etc. were in production. I would totally believe that some copies of 6970 or
6929 came with the -b variant.
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Well, what I meant is: “Oh, you think it could be an error? It’s possible,
let’s check the logs for more info / proof….”
And I’d trust those who made the changes (though I think ZwarteMagica should
have added -b as an Alternate, not replaced -a ).
Now, there could have been a ‘let’s change all 3839 to -a and add -b as Alternate’
operation or a ‘let’s change all 3839 to -b’ operation but the changes are too
far apart and different.
So, except for the -a discrepancy with 920-2, I’d say the inventories seem good.
And I can confirm 6970 came with -b, even if I don’t have 40-year-old pictures
of the sealed set 
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Netherlands, Noord-Brabant
France, Nouvelle-Aquitaine
Belgium, Oost-Vlaanderen
USA, New Jersey
