Doc's Games/Uncle Morty Productions, published a number of tiny handmade games in the 1980's. Each game or supplement was sold for $1.00 or less and delivered in a 3 x 5 inch ziplock bag. Some games included a pair of tiny dice. Non-RPG examples from a 1986 catalog include:
Robots and Reptiles
Starship Shootouts (1987)
Starships and Solar Systems (1987, supplement to Starship Shootouts)
At the time, contact information was:
D. R. Elliott
3647 W. Mt. Vernon St.
Springfield, MO 65802