**1917-19 Issue Perforation Varieties (Scott 511a) continued...**
Lot	Sym.	Lot Description
2078°		11c Light Green, Perf 10 at Bottom (511a). Rich color, light purple "Feb. 8" dated cancel at bottom and small part of rim of circular datestamp at top FRESH AND FINE USED EXAMPLE OF THE 1917 11-CENT PERF 10 AT BOTTOM. RARE WITHOUT A PRECANCEL. Attractive with the colored cancel. (Image) Search for comparables at SiegelAuctions.com	4,500.00 CLOSED Will close during Public Auction
2079°		11c Light Green, Perf 10 at Bottom (511a). Deep rich color, bold strike of oval cancel FRESH AND FINE. A SCARCE SOUND USED EXAMPLE OF THE 1917 11-CENT PERF 10 AT BOTTOM WITHOUT A PRECANCEL. With 1997 A.P.S. certificate (Image) Search for comparables at SiegelAuctions.com	4,500.00 CLOSED Will close during Public Auction
2080°		11c Light Green, Perf 10 at Bottom (511a). Deep color, centered to right but perfs just clear, bold machine cancel, tiny perf tip crease visible only in fluid FINE APPEARING USED EXAMPLE OF THE 1917 11-CENT PERF 10 AT BOTTOM. SCARCE WITHOUT A PRECANCEL. With 2005 P.F. certificate (Image) Search for comparables at SiegelAuctions.com	4,500.00 CLOSED Will close during Public Auction
2081°		11c Light Green, Perf 10 at Top and Bottom, Transitional 10/11 Perfs at Top and Bottom (511a). Block of four containing four error stamps, left vertical pair Perf 10 horizontally between, right vertical pair with transitional perfs from 10 to 11 half way between, outside perforations all normal Perf 11, Galveston Tex. duplex cancels, rich color and attractive centering, some separations and rejoined perfs, small repaired tear at bottom right THE UNIQUE USED BLOCK OF FOUR OF THE 1917 11-CENT WITH ALL FOUR POSSIBLE PERF 10 ERROR VARIETIES. ONE OF THE MOST OUTSTANDING RARITIES OF 20TH CENTURY PHILATELY. Many examples of the Perf 10 on One Side rarities show transitional perfs from 10 to 11 or from 11 to 10. This is because the out-of-gauge perforation pins would frequently cross the span of more than one stamp. Depending on where the wheel contacted the sheet, it is possible for surviving multiples to show a combination of Perf 11 and Perf 10 stamps or transitional perfs on one stamp. The four possible varieties are Perf 10 at top or bottom and transitional Perf 10/11 at top or bottom. This block is remarkable as the only certified example with all four varieties se-tenant and no normal stamps. The Galveston duplex cancel, rather than a precancel, only adds to its rarity. Ex Johl. With 1983 P.F. certificate. Scott prices a block with two error stamps at $10,000.00. Scott Retail as four singles (Image) Search for comparables at SiegelAuctions.com	18,000.00 CLOSED Will close during Public Auction
2082°		11c Light Green, Perf 10 at Top (511a). Brilliant color, neat "Fort Smith Ark." precancel, s.e. at left VERY FINE AND CHOICE SOUND EXAMPLE OF 11-CENT 1917 ISSUE PERF 10 AT TOP. With 1974 and 2006 P.F. certificates (Image) Search for comparables at SiegelAuctions.com	4,500.00 CLOSED Will close during Public Auction
2083°		11c Light Green, Perf 10 at Bottom (511a). Bright color on crisp paper, neat "Minneapolis, Minn." precancel, natural paper wrinkle at left, small thin spot at top, Very Fine appearance (Image) Search for comparables at SiegelAuctions.com	4,500.00 CLOSED Will close during Public Auction
2084°		11c Light Green, Perf 10 at Bottom (511a). Rich color, bold "Minneapolis Minn." precancel, tiny thin speck, Fine appearance (Image) Search for comparables at SiegelAuctions.com	4,500.00 CLOSED Will close during Public Auction

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