Lot 1798 /Official Seal, 1881, deep brown, The "Special Printing" issue, complete sheet of 50 with reversed "2" plate number at top and imprints, o.g., with hinge reinforced separations mostly around edges, rich color and remarkable freshness, selvage flaws mostly at right, F.-V.F., a wonderful intact sheet and One of Two Or Three Complete Sheets Known, with one residing the the Luff Collection at the Philatelic Foundation.
Scott Nos. OX4 $4,925 for blocks and singles.
Lot 1799 POfficial Seal, 1888, chocolate, "hybrid" large die proof, die sunk on 92x70mm card, slightly toned, Very Fine, only three recorded examples.
Scott Nos. OX5P1 $750.
Lot 1800Official Seal, 1888, chocolate, complete pane of 42, full o.g., hinge reinforced perf separations, from the 6th setting with position 2 showing dent in top frameline (type A) and positions 31 & 33 showing large gash in bottom right frame (type F), bright and fresh, otherwise Very Fine, the only recorded complete pane from the 6th printing.
Scott Nos. OX5 Estimate $300 - 400.
Lot 1801Official Seal, 1889, bister brown, imperforate, top margin block of 4 with pencil "E.F.G." initials in margin of Edward F. Gottlieb, o.g., Very Fine, ex-Kotanchik.
Scott Nos. OX7c Estimate $150 - 200.
Edward F. Gottlieb formed the first great collection of Post Office seals in the 1930s.
Lot 1802 ()Post Office Seal, 1889, bister brown, imperforate, complete sheet of 42 from the 5th setting showing numerous plate setting flaws, no gum, fresh with bold color, vertical crease between third and fourth rows, light diagonal crease at upper right affecting 4 stamps and tear at lower right into one stamp, F.-V.F., One of Two Recorded Imperforate Panes From the 1888 Post Office Seal Issue from the 5th Setting, ex-Kotanchik.
Scott Nos. OX7c $1,050+.
Lot 1803 ()Official Seal, 1895, gray brown, hyphen-hole perf 7, block of 9, no gum, Fine and rare large multiple.
Scott Nos. OX9 Estimate $200 - 300.
Lot 1804 ()Official Seal, 1898, brown, left pane of 30 from the 8th setting, no gum, fresh with bold color, nicely centered throughout, Very Fine, the Largest Recorded Multiple of the 1898 Post Office Seal Issue, ex-Kotanchik.
Scott Nos. OX10 Estimate $300 - 400.
Lot 1805 /Official Seal, 1898, brown, imperforate, Type IX, bottom left corner margin block of 4 showing no identifiable flaw types (possibly from an unknown setting), o.g., lightly hinged at top, never hinged at bottom, diagonal crease in bottom left margin, otherwise Very Fine and attractive multiple, Only Two Recorded Type IX Blocks.
Scott Nos. OX10 var. Estimate $150 - 200.
Lot 1806 POfficial Seal, 1900, red brown, die proof sunk on card, Type I, die sunk on 98x71mm card, Very Fine and scarce.
Scott Nos. OX11P1 $750.
Lot 1807 POfficial Seal, 1900, red brown, die proof sunk on card, Type M, die sunk on 98x71mm card, rich color, Very Fine and scarce.
Scott Nos. OX11P1 $750.