1991 $10.75 Space Shuttle Endeavour, imperf. right sheet margin horizontal pair, n.h., v.f., Scott unlisted, with 2019 PFC (Cat No. 2544Avar) (Image)

Est.$500

1991 $10.75 Space Shuttle Endeavour, pane of 20 with dramatic perf shifts, n.h., v.f. and striking variety (Cat No. 2544Avar) (Image)

Est.$500

1991 $3 Space Shuttle Challenger, imperf. corner margin single, n.h., v.f., cat. $400 (Cat No. 2544d) (Image)

Cat. $400, Est.$100

1991 $3 Space Shuttle Challenger, imperf. left sheet margin horizontal pair, n.h., v.f., cat. $800 (Cat No. 2544d) (Image)

Cat. $800, Est.$200

1992 Eagle and Shield only, large model printed directly on card, with some penciled additions, edge toning, otherwise v.f. (Cat No. 2595P) (Image)

Est.$500

1992 Eagle and Shield only, large die proof on india, card mounted, shield and other details unfinished (Cat No. 2595P) (Image)

Est.$500

1992 Eagle and Shield only, three different stage proofs on india, some toning, rare (Cat No. 2595P) (Image)

Est.$500

1995 Milton Hershey, 32c die proof on gummed paper, guide-line markings on all sides, faint impression of date at right, scotch taped on top, v.f. (Cat No. 2933P) (Image)

Est.$500

1995 32c Florida, imperforate, sheet margin single, plus horizontal and vertical pairs (last one sheet corner margin with plate numbers), n.h., v.f., unlisted in Scott (Cat No. 2950var) (Image)

Est.$250

1995 32c Woman Suffrage, imperf. sheet margin single, n.h., v.f., cat. $375 (Cat No. 2980b) (Image)

Cat. $375, Est.$100

1995 32c Woman Suffrage, imperf. sheet margin vertical pair, n.h., v.f., cat. $750 (Cat No. 2980b) (Image)

Cat. $750, Est.$200

1995 Jazz Musicians, imperf. se-tenant vertical block of ten, n.h., v.f. and extremely rare as the block is unlisted imperf. (only a vertical pair is listed in Scott with a value of $5,000), with 2019 PFC (Cat No. 2992avar) (Image)

Est.$2,500

1995 150th Anniversary of the Naval Academy, 32c imperf. pane of 20, n.h., v.f., unlisted in Scott (Cat No. 3001var) (Image)

Est.$500

1996 Breast Cancer Awareness, misperforated sheet of 20, n.h., v.f., with regular sheet included for comparison (Cat No. 3081var) (Image)

Est.$150

1996 32c Olympic Centennial, four panes of 20, three misperforated (one dramatically), and one with large portion of design missing on one stamp, with normal for comparison, n.h., v.f. (Cat No. 3087var) (Image)

Est.$250

1996 32c Iowa Statehood, misperforated sheet of 50 (with perforations through the design, resulting in a straight edge at left), v.f. (Cat No. 3088var) (Image)

Est.$150

1996 Big Band Leaders, imperf. se-tenant pane of 20, n.h., v.f., unlisted in Scott (Cat No. 3099avar) (Image)

Est.$1,000

1997 The World of Dinosaurs, se-tenant sheet of 15, bottom seven stamps imperforate, n.h., v.f., cat. $2500 (Cat No. 3136p) (Image)

Cat. $2500, Est.$750

1997 The World of Dinosaurs, se-tenant sheet of 15, top eight stamps imperforate, n.h., v.f., cat. $2500 (Cat No. 3136q) (Image)

Cat. $2500, Est.$750

1997 The World of Dinosaurs, complete imperforate se-tenant sheet of 15, v.f., unlisted in Scott (Cat No. 3136var) (Image)

Est.$1,000

2013 commemorative box containing an array of proof material and sheets, including sheets of six with vignette only, frame only, complete stamps but without background design, albino stamps with background design, die wipe sheet, also normal sheet and first day pre-canceled sheet, plus 48-page booklet, v.f., very few of these kits were sold before the USPS ended the sales program (Cat No. 4806var) (Image)

Est.$500

2013 commemorative box containing an array of proof material and sheets, including sheets of six with vignette only, frame only, complete stamps but without background design, albino stamps with background design, die wipe sheet, also normal sheet and first day pre-canceled sheet, plus 48-page booklet, v.f., very few of these kits were sold before the USPS ended the sales program (Cat No. 4806var) (Image)

Est.$500