Here are some auctions I just put up on eBay, LEGO 2535, 2536 and 2537 Shell Promos MISB (URL) price $4 LEGO 2543 Shell Promo MISB (URL) price $1 LEGO 6704 Space minifig pack 1991 MISB (URL) price $5 LEGO 1253 Ferrari F-1 Truck Shell Promo MISB (...) (25 years ago, 13-Mar-00, to lugnet.market.auction)