1931 50c lilac, n.h., near perfect centering, fresh color, with 2007 PSE certificate graded "Superb 98" (SMQ $550) (Cat No. 701) (Image)

Est.$300

1933 Kosciuszko 5c blue, horizontal pair, imperf. vertically, h.r., v.f., cat. $1750 (Cat No. 734a) (Image)

Cat. $1750, Est.$600

1939 3c light violet, horizontal guide line strip of four, n.h., near perfect centering, with 2019 PSAG certificate graded "98" (SMQ $525) (Cat No. 842) (Image)

Est.$250

1962 5c dark blue gray, imperf. horizontal strip of three, n.h., margins all around v.f. (catalogue value an imperf. pair) cat. $300 (Cat No. 1229b) (Image)

Cat. $300, Est.$150

1968 6c Flag and the White House, block of four imperforate horizontally, unused without gum as usual, also 1981 20c dark blue omitted, n.h., v.f. (catalogue value is for stamps with gum) cat. $560 (Cat No. 1338km 1894c) (Image)

Cat. $560, Est.$100

1972 6c dark blue gray, Eisenhower, imperforate horizontal coil pair, miscut, n.h. but with disturbed gum at bottom, fine, with 2019 William T. Crowe certificate ("30 or less pairs are thought to exist at this date") cat. $2500 (Cat No. 1401b) (Image)

Cat. $2500, Est.$500

1972 8c Tom Sawyer, engraved red and black omitted, lower right sheet corner margin single, n.h., v.f., with 2018 William T. Crowe certificate, cat. $800 (Cat No. 1470b) (Image)

Cat. $800, Est.$250

1975 10c Lexington-Concord 200th Anniversary, vertical pair imperf. horizontally, n.h., v.f., cat. $300 (Cat No. 1563a) (Image)

Cat. $300, Est.$100

1960 4c Lincoln, imperforate horizontal pair, l.h., v.f. Datz reports 100 pairs known, cat. $600 (Cat No. 1303b) (Image)

Cat. $600, Est.$150