1909, 3¢ deep violet, bluish paper (Scott 359), o.g., hinged, crisply printed with strong color on nicely margined fresh paper, Very Fine to Extremely Fine, with 2021 P.S.A.G. certificate (as previously hinged) graded VF-XF 85.
SMQ VF-XF 85; $2,100.
Scott $1,800. (Image)

Estimate $1,800-2,200

1909, 4¢ orange brown, bluish paper (Scott 360), o.g., lightly hinged, Post Office fresh with sharp impression and strong color on fresh, alluring paper, Fine to Very Fine, with 2017 P.S.E. certificate.
Scott $27,500. (Image)

Estimate $18,000-22,000

1909, 6¢ red orange, bluish paper (Scott 362), o.g., never hinged, fresh and bright with glowing color and clean detail; well-margined on pristine paper, Very Fine, with 1993 P.F. and 2021 P.S.A.G. certificates, the latter graded VF 80.
SMQ VF 80; $3,250.
Scott $3,000. (Image)

Estimate $2,500-3,000

1909, 6¢ red orange, bluish paper (Scott 362), o.g., hinge remnant; slight oxidation at right, otherwise Fine to Very Fine, with 2021 P.S.A.G. certificate.
Scott $1,250. (Image)

Estimate $400-600

1909, 6¢ red orange, bluish paper (Scott 362), o.g., small hinge remnant, beautifully well-centered; certificate mentions "slightly toned at right", which might more accurately be described as minor oxidation, otherwise Very Fine, with 2021 P.S.A.G. certificate.
Scott $1,250. (Image)

Estimate $600-800

1909, 10¢ yellow, bluish paper (Scott 364), o.g., lightly hinged, beautifully well-centered; slightly oxidized, Extremely Fine, with 2021 P.S.A.G. certificate, which mentions the oxidation, and a clean 1988 certificate, which does not.
Scott $1,600. (Image)

Estimate $1,000-1,500

1909, 10¢ yellow, bluish paper (Scott 364), o.g., hinged, a pleasing stamp with glowing color on fresh paper; centered just to left; small natural inclusion in ribbon above left "10" not noted on accompanying certificate, Fine to Very Fine, a difficult issue from this USPOD experiment in paper, with 2021 P.S.A.G. certificate.
Scott $1,600. (Image)

Estimate $1,000-1,500

1909, 10¢ yellow, bluish paper (Scott 364), o.g., barest trace of hinge, in mouthwatering color on immaculate paper, fully margined; reperforated at top, Fine to Very Fine appearance, with photocopy of 2020 P.S.A.G. certificate for block of four, this position 2.
Scott $1,600. (Image)

Estimate $800-1,000

1909, 13¢ blue green, bluish paper (Scott 365), o.g., hinged, sharp impression in deep color; paper fresh with perforations clear all around, Fine to Very Fine, with 2017 P.S.E. certificate.
Scott $2,600. (Image)

Estimate $2,000-2,500

1909, 13¢ blue green, bluish paper (Scott 365), in splendid color and proof-like detail; paper fresh and clean, with incredibly light corner-struck oval cancel, Fine to Very Fine, a pretty stamp, with 1992 P.F. certificate for block of four, this position 2.
Scott $4,000. (Image)

Estimate $2,000-2,500

1909, 15¢ pale ultramarine, bluish paper (Scott 366), flawless o.g., never hinged, an incredibly well-centered gem, Extremely Fine, spectacularly choice, one of the nicest bluish papers you will ever find, with 2021 P.S.A.G. certificate.
Scott $3,000. (Image)

Estimate $3,000-4,000

1909, 15¢ pale ultramarine, bluish paper (Scott 366), pristine o.g., never hinged, Post Office fresh color, Fine to Very Fine, with 2021 P.S.A.G. certificate.
Scott $3,000. (Image)

Estimate $800-1,200

1909, 15¢ pale ultramarine, bluish paper (Scott 366), o.g., very lightly hinged, beautiful centering that approaches perfection, and with great color, Extremely Fine, an outstandingly choice bluish paper gem, with 2021 P.S.A.G. certificate.
Scott $1,300. (Image)

Estimate $1,000-1,500

1909, 15¢ pale ultramarine, bluish paper (Scott 366), o.g., lightly hinged, Post Office fresh with alluring color on paper that practically glows, Extremely Fine, a gorgeous stamp, just four stamps grade higher in PSE's Population Report, with 2021 P.S.A.G. certificate graded XF 90.
SMQ XF 90; $2,150.
Scott $1,300. (Image)

Estimate $1,800-2,200

1909, 15¢ pale ultramarine, bluish paper (Scott 366), o.g., lightly hinged, a sensational stamp with warm color, mathematically centered on pristine paper, Extremely Fine to Superb, the blues have never been so electrifying, only three stamps at this grade, with one higher, are listed in PSE's Population Report, with 2020 P.S.A.G. certificate graded XF-SUP 95.
SMQ XF-SUP 95; $3,500.
Scott $1,300. (Image)

Estimate $2,500-3,500