1913, 10¢ Panama-Pacific, Bureau photo essay of an unadopted design (Scott 400-E), 83 x 68 mm, Very Fine. (Image)

Estimate $250-350

1913, 10¢ Panama-Pacific, photo essay (Scott 400-E3), model on white paper on thick card, 63 x 52 mm. Backing card is unmarked, Very Fine.
Scott $1,500. (Image)

Estimate $500-750

1913, 1¢ Panama-Pacific, perf 12 (Scott 397), a truly choice bottom margin plate no. 6131 block of 16, o.g., never hinged, incredibly fresh, beautifully centered and solid, Extremely Fine.
Scott $800. (Image)

Estimate $500-750

1913, 5¢ Panama-Pacific, perf 12 (Scott 399), o.g., never hinged, excellent centering; the certificate notes "slightly oxidized", which seems unduly harsh as it is barely visible except for the top left perforation tip, otherwise Very Fine, with 2021 P.S.A.G. certificate.
Scott $160. (Image)

Estimate $250-350

1913, 5¢ Panama-Pacific, perf 12 (Scott 399), o.g., never hinged, beautifully well-centered within huge jumbo margins, Extremely Fine to Superb, a gem, with 2021 P.S.A.G. certificate graded XF-SUP 95J.
SMQ XF-SUP 95J; $800.
Scott $160. (Image)

Estimate $600-800

1913, 10¢ Panama-Pacific, perf 12, orange yellow color (Scott 400), o.g., never hinged, magnificently centered with bright color; fresh, sound and attractive, Extremely Fine, with 2021 P.S.A.G. certificate graded XF 90.
SMQ XF 90; $525.
Scott $390. (Image)

Estimate $350-500

1913, 10¢ Panama-Pacific, perf 12, orange yellow color (Scott 400), o.g., never hinged, nicely centered; slightly oxidized, otherwise Very Fine, with 2021 P.S.A.G. certificate.
Scott $260. (Image)

Estimate $200-300

1913, 10¢ Panama-Pacific, perf 12, orange yellow color (Scott 400), o.g., never hinged, a sumptuous top-of-the-line stamp, with unblemished color, clean impression, and glowing paper sporting perfect margins, a Superb gem, when only the best will do, a Solo Top of the Pop, PSE's Population Report not listing a single 100, in any condition, in their census, with 2020 P.S.A.G. certificate graded Gem 100.
SMQ Gem 100; $3,450 as a "98J".
Scott $390. (Image)

Estimate $3,500-5,000

1913, 10¢ Panama-Pacific, perf 12, orange yellow color (Scott 400), o.g., never hinged, near-perfect centering and brilliant fresh color, Extremely Fine and choice, with 2021 P.S.A.G. certificate.
Scott $260. (Image)

Estimate $300-400

1913, 10¢ Panama-Pacific, perf 12, orange yellow color (Scott 400), full wide top margin plate number 6130 block of 6, o.g., never hinged, in thrilling color cleanly impressed; paper fresh and sound with perforations firm and top selvage as rarely seen, Fine centering, with 2020 P.S.A.G. certificate.
Scott $3,750. (Image)

Estimate $1,200-1,800

1913, 10¢ Panama-Pacific, perf 12, orange yellow color (Scott 400), wide left margin plate number 6130 block of 6, o.g., never hinged, in spectacularly bright, bold, clean color, on fresh paper with all perforations intact; nicely centered, Fine to Very Fine, a great-looking plate.
Scott $3,750. (Image)

Estimate $1,500-2,000

1913, 10¢ Panama-Pacific, perf 12, orange yellow color (Scott 400), wide top margin plate number 6135 block of 6, o.g., never hinged, in glowing color on fresh paper with all perforations intact and firm, Fine to Very Fine, a rare reasonably well-centered wide top plate, with 2021 P.S.A.G. certificate.
Scott $3,750. (Image)

Estimate $2,500-3,000

1913, 10¢ Panama-Pacific, perf 12, orange yellow color (Scott 400), block of 4, o.g., never hinged, beautifully well-centered throughout and with bright fresh color; a tiny trivial "natural perf disc indent on lower right stamp" (visible only on the reverse), Very Fine overall, with 2021 P.S.A.G. certificate.
Scott $1,040. (Image)

Estimate $600-800

1913, 10¢ Panama-Pacific, perf 12, orange color (Scott 400A), o.g., never hinged, a magnificent gem with essentially perfect centering and bright fresh color, Extremely Fine, with 2021 P.S.A.G. certificate conservatively graded XF 90.
SMQ XF 90; $775.
Scott $390. (Image)

Estimate $500-750

1914, 1¢ Panama-Pacific, perf 10 (Scott 401), full wide top margin plate number 6891 block of 6, naturally streaky o.g., never hinged, with intense color and clean detail; paper fresh with perforations solid, the selvage simply as wide as it comes, Fine.
Scott $650. (Image)

Estimate $300-400

1915, 2¢ Panama-Pacific, perf 10 (Scott 402), o.g., never hinged, crisply printed in fresh color; bright and sound with mathematical centering, Superb, a top-line stamp, just two stamps grade higher in PSE's Population Report, with 2021 P.S.A.G. certificate graded SUP 98.
SMQ SUP 98; $2,350.
Scott $170. (Image)

Estimate $2,000-2,500

1915, 2¢ Panama-Pacific, perf 10 (Scott 402), o.g., never hinged, in bright, luxuriant color, a true jumbo with fresh paper and near-perfect centering, Extremely Fine to Superb, with 2021 P.S.A.G. certificate graded XF-SUP 95J.
SMQ XF-SUP 95J; $1,000.
Scott $170. (Image)

Estimate $800-1,000

1915, 5¢ Panama-Pacific, perf 10 (Scott 403), o.g., never hinged, outstandingly well-centered and with bright fresh color, Extremely Fine and choice, with 2021 P.S.A.G. certificate graded XF 90.
SMQ XF 90; $775.
Scott $400. (Image)

Estimate $500-750

1915, 5¢ Panama-Pacific, perf 10 (Scott 403), o.g., never hinged, Extremely Fine to Superb, with 2021 P.S.A.G. certificate graded XF-SUP 95.
SMQ XF-SUP 95; $1,350.
Scott $400. (Image)

Estimate $1,000-1,500

1915, 5¢ Panama-Pacific, perf 10 (Scott 403), o.g., invisibly hinged, spectacularly well-centered and with great color, Extremely Fine to Superb, with 2021 P.S.A.G. certificate graded XF-SUP 95.
SMQ XF-SUP 95; $325.
Scott $160. (Image)

Estimate $250-350

1915, 10¢ Panama-Pacific, perf 10 (Scott 404), bottom margin plate number 6143 single, o.g., never hinged, a most spectacular positional, in robust, glowing color and mathematically centered on pristine paper, Superb, only two stamps grade higher in PSE's Population Report, with 2020 P.F. certificate graded SUP 98.
SMQ SUP 98; $8,250.
Scott $1,650. (Image)

Estimate $8,000-10,000

1915, 10¢ Panama-Pacific, perf 10 (Scott 404), o.g., never hinged, a Post Office fresh gem boasting lovely centering and color, Very Fine to Extremely Fine, with 2021 P.S.A.G. certificate.
Scott $1,650. (Image)

Estimate $1,000-1,200

1915, 10¢ Panama-Pacific, perf 10 (Scott 404), o.g., very lightly hinged, lovely centering and bright fresh color; few shorter perforations at top right, Very Fine, with 2021 P.S.A.G. certificate.
Scott $675. (Image)

Estimate $350-500

1915, 10¢ Panama-Pacific, perf 10 (Scott 404), o.g., barest trace of hinge, nicely centered, almost Very Fine, with 2021 P.S.A.G. certificate.
Scott $675. (Image)

Estimate $500-750