How Many Are Left Unopened?! Recently discovered 1975 Topps Baseball unopened wax box! This unsearched container which originates from Delaware includes (36) 10-card packs. Possible high-grade pulls include: #1 Aaron HL, #223 Yount RC, #228 Brett RC, #320 Rose, #500 Ryan, #616 Rice RC, #620 Carter RC and #660 Aaron. Verified and wrapped by Steve Hart/Baseball Card Exchange.