Lot of six, each 2.5x3-1/8" issued by Gum, Inc. ©1940 Superman Inc. (see wrapper #2416). From a set of 72 and all are rare high number cards. Choice art fronts, text backs. No. 52 has pair of minor corner creases but remains totally clean with fairly sharp corners. Technically VG/Exc. by gum card grading standards but the visual appeal exceeds this. No. 60 has minute corner tip wear but choice condition, N. Mint. No. 65 tiny trace of corner tip wear. Exc./N. Mint. No. 66 has minor trace of margin/corner tip wear. Exc./N. Mint. No. 71 has tiniest trace of margin wear/aging. Exc./N. Mint. No. 72 is the final card in the set and the most valuable/desirable. Dust soiling/aging. Moderate margin wear with rounded corners but no creases. VG.