Set includes: 1933, 1934, 1935, 1936. The reason they are grouped together is that once the coupon is removed there is no way to distinguish these cards. 1933 the coupons expiration date is April 1st, 1934. The 1934 cards coupons expire April 1st, 1935. The 1935 cards coupons expire April 1st, 1936. The 1936 cards have an expiration date of October 1st, 1936. However -- you need the coupons attached to be sure of what year your card is. If a player's name appears on 2 straight lines with the same card number it means the card was issued in 2 different sizes. These cards measure approximately 1 3/4" by 3 1/2".