* Add 1 Part 6099p03 Light Gray Baseplate, Road 32 x 32 9-Stud Landing Pad with Yellow Circle Pattern (Alternate) (match ID 1)
* Change 1 Part Light Gray 6099px2 Baseplate, Road 32 x 32 9-Stud Landing Pad with Yellow Circle, 1-way Lines Pattern {match ID 0 to 1}
Comments from Submitter:
also this type was available (1983 version, see pictures 3 and 4 original box/cover)