Image Item No. Description  pc90bc2  Postcard - Castle Forestmen Set 1877-1 (Exclusive for Lego Builders Club) Catalog: Gear: Card, Postcard: Castle: Forestmen  pc90bc1  Postcard - Space, Blacktron I Set 1875 (Exclusive for Lego Builders Club) Catalog: Gear: Card, Postcard: Space: Blacktron I  pc90bc3  Postcard - Town Set 1876 Postcard (Exclusive for Lego Builders Club) Catalog: Gear: Card, Postcard: Town  pc90bc4  Postcard - Town Various Sets (Exclusive for Lego Builders Club) - 1990 Catalog: Gear: Card, Postcard: Town