A set that does not show up often, the complete set of 660 "mini" test issue cards. Put together from packs, key cards grade #1 Aaron (EX-MT), #70 Schmidt (EX-MT), #223 Yount Rookie (NM), #228 Brett Rookie (NM), #500 Ryan (EX-MT), #660 Aaron (EX due to its placement in the box). The remaining cards are EX to NM-MT or better.