Massey Harris Playing Cards never opened in the box. The box reads: Keep your eye on Massey-Harris and Make it a Massey- Harris. Back of cards shows a robin feeding her three young birds, as a farmer winds down the trail with his Massey Harris tractor. This Deck of cards has never been open They were given away by Perry Motor & Equipment Co Keenesburg, Colorado. Measure 3 1/2″ x 2 5/8″ x 3/4″. Circa 1950’s.