Each sealed box contains 10 cards. There are 50 cards in the complete set. Parallel sets: Piedmont Back 2:1, Sweet Caporal Back 1:3, Sovereign Back 1:6, Polar Bear Back 1:18, Black Plate Omission 1:30, Cycle Back (#'d to 25), American Beauty Back (#'d to 10), and 1-of-1 Ty Cobb. Look for randomly inserted Autograph cards.