I always come away with something cool from Robert Klevens's booth at the National. Am sorry to miss out this year. Picked up some 1950 Shonen Club premiums from him last year. They are about T3 size on thickish paper. The writing on the back is different on each card so I am deducing that it is particular to the player (can't read a word of it).
Kaoru Betto HOF
Michio Nishizawa HOF