Im my experience, Amiga promo stuff is somewhat uncommon. The little bit I found on EBay wasn't even listed with computers, let alone Amiga's. (A Commodore '4000 reasons to own an Amiga' pin, and an enameled brass Amiga keychain)
Software Hut has a feww oddbal items (Amiga playing cards, etc)
Edit...
save2600: WOW, and I thought I was an Amiga pack-rat!
:lol: