Lot Of Commemorative Sets Most are Complete and the few duplicates are almost complete all with MNH Stamps (please see description). (2) 1983 Definitive Mint Set Item No. 834 (1 is complete, the other has everything except the $9.35 stamp, $5 stamp, and the flag over the SCOTUS 20 - cent booklet), (2) 1983 Commemorative Mint Set Item No. 883 (1 is complete, the other has everything except the 20c ballooning stamp set), (2) Definitive Mint Set Item No. 830 (1 is complete, the other is missing the stamps but has all stationary), (1) 1982 Commemorative Mint Set Item No. 882 (set is complete), (1) 1981 Commemorative Mint Set Item No. 881 (set is complete), Kit A 1981 Definitive Mint Set Item No. 839 (set is complete), (2) United States Postal Service Mint Set, 1980 Definitive Stamps and Stationary Item No. 832 (1 is complete, the other is missing stamps but has all stationary), (1) 1980 Commemorative Mint Set Item No. 947 (set is complete), (1) 1979 Mint Set Item No. 939 (set is complete), (1) 1978 Mint Set Item No. 937 (set is complete), (1) 1975 Mint Set Item No. 932 (set is complete), (1) The Fifty State Birds and Flowers Mint Set Item No. 801 (set is complete), (1) Space Achievement Folder Item #833 (set is complete), (1) Winter Olympics Souvenir Folder Item No. 941 (set is complete). All stamps and stationary are in plastic protectors MNH. Please examine photos for details. Shipped USPS Mail.