LEGO 1973 Emirates Airliner (1989)

Hi all, I’m looking for some advice on my set, its a LEGO 1973 Emirates Airliner promotional set from 1989. The set was built years ago and has now been carefully disassembled for storage. I’ve checked it against the inventory and it appears to be complete. Condition: - Complete set - Original instructions included and in excellent condition - Original box included, although it has some wear and damage from storage - Previously built and displayed - Stickers applied I’ve been researching...