I would say if there's no advertising/promotion of another product, but they were commercially sold as collectibles, that too would count as trading cards.
There will be a question by some about the size (another technicality), but Exhibits were sold as collectibles so would fit my definition of a baseball card in that aspect.
Keeping my opinion to myself, but a lot of folks on this board don't consider postcards to be trading cards, advertising splashed across them or not. They just consider pcs something different.
Last edited by drc; 02-08-2013 at 02:39 AM.
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