1917 2c lake, l.h., pencil notation on gum, fine, with PSAG certificate for a block of four from which it originated, cat. $500 (Cat No. 499h) (Image)

Cat. $500, Est.$150

1917 5c rose, single error in 2c block of four, 5c n.h. (others hinged), natural straight edge at top, well centered, with 2018 PFC graded "VF 80" (SMQ for single 505 $625) (Cat No. 505) (Image)

Est.$400

1917 5c rose, error in 2c block of nine, l.h. at top (error stamp n.h.), natural straight edge at top, fine, cat. $650 (Cat No. 505) (Image)

Cat. $650, Est.$200

1917 15c gray, top margin plate number block of six, n.h., well centered, fine-v.f., cat. $900 (Cat No. 514) (Image)

Cat. $900, Est.$350

1917 30c orange red, top margin plate number block of six, n.h., well centered, fresh color, v.f., with 1990 PFC, cat. $925 (Cat No. 516) (Image)

Cat. $925, Est.$350

1917 $1 violet brown, top margin plate number block of six, n.h., fine-v.f., cat. $2100 (Cat No. 518) (Image)

Cat. $2100, Est.$600

1918 $2 orange red and black, double plate number block of eight, bottom left and bottom right stamps n.h., balance l.h., well centered, fresh color, v.f. and rare piece, with 2018 PSE certificate, cat. $13000 (Cat No. 523) (Image)

Cat. $13000, Est.$8,500

1918 2c carmine, type VI, n.h., well centered, bright color, with 2007 PSE certificate graded "XF 90" (SMQ $250) (Cat No. 528A) (Image)

Est.$150

1918 2c carmine, top margin plate block of six, n.h., v.f., with 2019 PSE certificate, cat. $375 (Cat No. 528B) (Image)

Cat. $375, Est.$400

1919 2c carmine rose, imperf. horizontal pair, large margins all around, fresh and v.f., with 2004 PFC, cat. $160 (Cat No. 532) (Image)

Cat. $160, Est.$150

1919 2c carmine, type VII, bottom margin single, full margins all around, small h.r., beautiful color, with 2015 PSE certificate graded "XF-Sup 95" (SMQ $2,350) (Cat No. 534B) (Image)

Est.$1,800

1919 2c carmine rose, top margin plate number and star block of six, variety imperf. horizontally, l.h., pencil notation on gum, fine-v.f. (catalogue value for plate block of four) cat. $1050 (Cat No. 540a) (Image)

Cat. $1050, Est.$350

1920 1c green, machine cancel, well centered for this difficult stamp, light vertical crease, otherwise fine, with 2007 PFC (catalogue is for a fine example) cat. $3500 (Cat No. 544) (Image)

Cat. $3500, Est.$2,000

1920 Pilgrim Tercentenary, set of three side plate number blocks of six (1c, 2c right, 5c left), first two n.h., 5c l.h., all well centered, v.f., cat. $645 (Cat No. 548-550) (Image)

Cat. $645, Est.$250

1922 3c violet (top) 4c yellow brown (left) and 5c dark blue (top), plate number blocks of six, n.h., well centered, fine-v.f., cat. $1150 (Cat No. 555-557) (Image)

Cat. $1150, Est.$350

1922 6c red orange, right margin plate number block of six, n.h., natural marginal wrinkles, fine-v.f., cat. $600 (Cat No. 558) (Image)

Cat. $600, Est.$150

1922 7c black (left), 9c rose (top) and 10c orange (top) plate blocks of six, n.h., well centered, fine-v.f., cat. $945 (Cat No. 559,561-562) (Image)

Cat. $945, Est.$300

1922 8c olive green, left margin plate block of six, n.h., fine, cat. $850 (Cat No. 560) (Image)

Cat. $850, Est.$250

1922 15c gray (top), 20c carmine rose (right), plate number blocks of six, n.h., fine-v.f., cat. $800 (Cat No. 566-567) (Image)

Cat. $800, Est.$250

1922 25c deep green (top) and 30c olive brown (left), plate number blocks of six, n.h., well centered, fine-v.f., cat. $900 (Cat No. 568-569) (Image)

Cat. $900, Est.$300

1922 30c olive brown, block of nine, middle stamp showing double transfer at lower right (pos UR52), natural straight edge at left, n.h., fine-v.f., cat. $850 (Cat No. 569,569var) (Image)

Cat. $850, Est.$150

1922 50c lilac, top margin plate number block of six, n.h., fresh color, fine-v.f., cat. $525 (Cat No. 570) (Image)

Cat. $525, Est.$150

1922 50c Arlington, used on Washington, D.C. FDC addressed to Edward C. Worden, little toning at bottom and tape adhesion on back, fine, cat. $1500 (Cat No. 570) (Image)

Cat. $1500, Est.$250

1922 $1 violet brown, bottom margin plate number block of six, n.h., fresh color, fine-v.f., cat. $525 (Cat No. 571) (Image)

Cat. $525, Est.$150

1922 $1 violet brown, large die proof on card (reduced), v.f. (Cat No. 571P1) (Image)

Est.$400