1991-92 Topps Hockey card NNO featuring Pre-Production Sample Sheet.NNO. Pre-Production Sample Sheet - 91-92 Topps NHL - COMMONSKU: Topps Hockey 1991 #NNO$0.15PriceOut of StockCard NumberNNOPlayer NamePre-Production Sample SheetCard ConditionNNOSet Information1991-92 Topps - HockeyCard ClassificationBaseTeam