An early advertising card that offers the endorsement of the winningest pitcher in baseball history to aide in the sale of jock straps. "The Cy Young Supporter" it announces, "For Base Ball, Foot Ball And all Athletic Work, M'f'g by Cy Young, Peoli, Ohio." We would have to expect that even the most advanced baseball advertising hobbyists have an empty spot in their collection where this rarity should reside? Printed on mid-weight card stock, this 2" by 4" piece exhibits only light wear, with light foxing spots, but no creasing and no tears.