500 card counters for the game of Gambo from the 1940s.
The object of Gambo is to get rid of one's cards by making or adding to combinations of cards on the table and forming sets and runs of cards. The player who first gets rid of all his ten cards wins the hand and is paid by each of the other players 3 chips for each card they have left in their hands.
Complete but condition makes it a Poor, Grade 4, Hoyle's Vintage Grading System.
