1917 25c unexploded booklet with four panes of 6x1c, stapled at left, fine-v.f. (BK53) cat. $300 (Cat No. 498e) (Image)

Cat. $300, Est.US$150

1917 2c deep rose, type Ia, n.h., fresh color, fine, with a photocopy of a 2014 PSE certificate for a block of 25 from which it originated, cat. $570 (Cat No. 500) (Image)

Cat. $570, Est.US$150

1917 5c rose (error), vertical pair in sheet of 100, Plate No.7942, n.h., mostly fine (catalogued as double error in block of 12) cat. $1850 (Cat No. 505) (Image)

Cat. $1850, Est.US$500

1917 5c rose (error), single in sheet of 100, Plate No.7942, n.h., fine-v.f. (catalogued as single error in a block of nine) cat. $1000 (Cat No. 505) (Image)

Cat. $1000, Est.US$500

1917 13c large die trial color proof in orange yellow, die sunk on card (85x97mm), v.f., cat. $650 (Cat No. 513TC1an) (Image)

Cat. $650, Est.US$200

1917 $1 violet brown, top margin plate number, imprint and "A", block of six, n.h., nicely centered, fresh color, some natural gum skips, fine-v.f., cat. $2100 (Cat No. 518) (Image)

Cat. $2100, Est.US$750

1917 2c carmine, bottom margin part imprint single, l.h., nicely centered, with 2022 PFC graded "VF 80" (SMQ $400) (Cat No. 519) (Image)

Est.US$350

1920 2c carmine, type VII, n.h., large margins on all sides, beautiful color, with 2021 PFC graded "XF-S 95" (SMW $4,500) (Cat No. 534B) (Image)

Est.US$3,500

1918 3c violet, n.h., jumbo margins all around with parts of adjoining stamps on all sides, with 2016 PSE certificate graded "Gem 100J" (SMQ $125+ for "100") (Cat No. 535) (Image)

Est.US$150

1919 2c carmine rose, Plate No. Block of four, imperforate horizontally, h.r. at top, fresh and well centered, v.f., cat. $1000 (Cat No. 540a) (Image)

Cat. $1000, Est.US$500

1922 12c brown violet, right margin plate number and star block of six, n.h., well centered, marginal pencil notation on reverse, v.f., cat. $400 (Cat No. 564) (Image)

Cat. $400, Est.US$150

1922 25c deep green, sheet of 100, n.h., fine-v.f., cat. $3240 (Cat No. 568) (Image)

Cat. $3240, Est.US$750

1922 $1 violet brown, top margin plate number block of six, n.h., well centered, fresh and v.f., cat. $525 (Cat No. 571) (Image)

Cat. $525, Est.US$200

1922 $2 deep blue, bottom margin plate number block of six, n.h., well centered, fresh color, light natural gum crease affecting middle stamps, still v.f., cat. $1000 (Cat No. 572) (Image)

Cat. $1000, Est.US$300

1923 $5 carmine and blue, n.h., well centered, bright color, with 2020 PFC graded "XF-S 95" (SMQ $450) (Cat No. 573) (Image)

Est.US$300

1923 $5 carmine and blue, top margin double plate number block of eight, n.h., well centered with wide margins, beautiful color, with 2019 PSE certificate graded "XF 90" (unpriced as a plate block in SMQ) cat. $2600 (Cat No. 573) (Image)

Cat. $2600, Est.US$1,500

1923 2c carmine, barest trace of a hinge, well centered, fresh color, with 2022 PFC graded "XF 90" (SMQ $290) (Cat No. 595) (Image)

Est.US$250

1923 2c carmine, top margin plate number and star vertical pair, very lightly hinged, natural straight edge at left, fine, with 2019 PFC, cat. $480 (Cat No. 595) (Image)

Cat. $480, Est.US$200

1923 2c carmine, horizontal pair, n.h., fresh and fine, with 2020 PFC, cat. $500 (Cat No. 599A) (Image)

Cat. $500, Est.US$250

1923 Harding Memorial, 2c black, upper left sheet corner margin Plate No. block of 30, signed and dated 11/15/1923 (First Day of Issue), n.h., v.f. (Cat No. 611) (Image)

Est.US$100

1924 Huguenot Walloon, 1c-5c sheets of 50, well centered, fresh, fine-v.f. (Cat No. 614-16) (Image)

Est.US$750

1925 5c dark blue, top margin plate number block of six, n.h., v.f., with 2021 PSE certificate, cat. $275 (Cat No. 619) (Image)

Cat. $275, Est.US$250

1925 Norse-American Issue, 2c and 5c sheets of 100, n.h., fresh and well centered, couple of minor perf. separations, fine-v.f., cat. $3275 (Cat No. 620-21) (Image)

Cat. $3275, Est.US$750

1926 13c green, n.h., near perfect centering, fresh color, with 2021 PSAG certificate graded "98" (SMQ $250) (Cat No. 622) (Image)

Est.US$200

1926 17c black, bottom margin plate number block of six, n.h., well centered, fresh and v.f., cat. $325 (Cat No. 623) (Image)

Cat. $325, Est.US$150