1917 1c-$1 complete, l.h., last six n.h., some very large margins, mostly v.f. (Cat No. 498-504,406-18) (Image)

Est.$250

1917 1c green, horizontal pair imperf. between, n.h., fine, with a photocopy of a 2019 PSE certificate for a block of 18 from which it originated, cat. $1350 (Cat No. 498b) (Image)

Cat. $1350, Est.$850

1917 5c rose, single error with parts of adjoining 2c stamps on all sides, nicely centered, v.f., cat. $625 (Cat No. 505) (Image)

Cat. $625, Est.$500

1917 5c rose, error, with parts of adjoining stamps at both sides, n.h., well centered with wide, even margins, fresh color, v.f., with 2019 PSE certificate, cat. $625 (Cat No. 505) (Image)

Cat. $625, Est.$600

1917 5c rose, error in 2c horizontal strip of three, n.h., v.f., with 2019 PSAG certificate, cat. $625 (Cat No. 505) (Image)

Cat. $625, Est.$350

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.$500

1917 5c rose, error in pane of 30, n.h., fine (few other stamps l.h.) (Cat No. 505) (Image)

Est.$150

1917 5c rose, error in 2c block of six, l.h., error n.h., v.f., cat. $625 (Cat No. 505) (Image)

Cat. $625, Est.$250

1917 12c, 13c blocks of six, perfs shifted, h.r., minor flaws (Cat No. 512,513var) (Image)

Est.$150

1917 50c red violet, top plate no.13655 block of six, l.h. at lower left, others n.h., fine-v.f., cat. $1600 (Cat No. 517) (Image)

Cat. $1600, Est.$500

1917 $1 violet brown, eight copies, different shades, n.h., fine-v.f., cat. $760 (Cat No. 518) (Image)

Cat. $760, Est.$200

1917 $1 violet brown, block of four, n.h., v.f., cat. $380 (Cat No. 518) (Image)

Cat. $380, Est.$150

1917 $1 violet brown, top imprint and plate no.5782 block of eight, n.h., fresh and fine-v.f., cat. $2290 (Cat No. 518) (Image)

Cat. $2290, Est.$750

1917 2c carmine, left imprint and plate no. 4818 block of six with wide selvage and siderographers' initials, n.h., each stamp pencil signed "E.N. Costales", fresh and fine plate block, with 1982 and 2007 PFCs, cat. $6500 (Cat No. 519) (Image)

Cat. $6500, Est.$1,500

1918 $2 orange red & black, $5 green & black, center line blocks of four, each with bottom stamps n.h., but with tiny gum disturbances, the latter with vertical gum skip at right, the former with tiny ink spots at bottom left (catalogued as hinged singles) cat. $2640 (Cat No. 523,524) (Image)

Cat. $2640, Est.$500

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.$9,000

1918 $2 orange red and black, used, well centered with jumbo margins, v.f., with 1996 and 2006 PFCs, cat. $240 (Cat No. 523) (Image)

Cat. $240, Est.$100

1918 $5 deep green and black, sheet margin and arrow block of four, n.h., fine-v.f. (catalogued as singles) cat. $1360 (Cat No. 524) (Image)

Cat. $1360, Est.$300

1920 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.$500

1918 1c green and 2c carmine rose, bottom and top plate no. blocks of six, n.h., some gum wrinkling and spots, still v.f., cat. $560 (Cat No. 531,534) (Image)

Cat. $560, Est.$150

1918 2c carmine rose, left plate no.10918 block of six, n.h., v.f., with 2003 PSE certificate, cat. $625 (Cat No. 532) (Image)

Cat. $625, Est.$150

1920 2c carmine rose, right margin single, n.h., huge margins all around, with 2018 PFC graded "Superb 98J" (SMQ $225 for "98") (Cat No. 532) (Image)

Est.$200

1920 2c carmine rose, with parts of adjoining stamps on all sides, n.h., with 2017 PFC graded "Sup Gem 100" (SMQ $400) (Cat No. 532) (Image)

Est.$250

1918 2c carmine rose, type V, top plate no.11260 block of six, n.h., v.f., cat. $1800 (Cat No. 533) (Image)

Cat. $1800, Est.$300

1920 2c carmine, n.h., large margins all around, with 2019 PFC graded "XF-S 95" (SMQ $275) (Cat No. 533) (Image)

Est.$200