This 30 card set was produced by the Uncle Jacks Candy company of Springfield, MA and distributed in see through wax paper with a piece of candy and a coupon that could be redeemed (100 coupons) for a league baseball and a chance to win a trip to the 1933 World Series. These un-numbered cards measured 1-7/8 x 2-7/8 (inches) and can be found printed in blue, red, purple or green duotone. The backs of these cards were blank.