1c Green, Perf 10 at Top or Bottom (498g). Mint N.H. block of 25 with plate no. 13366 at top right, four stamps in the block are the error, Perf 10 between positions 10 and 15 in the block, perfs between positions 9 and 14 are transitional (3 holes Perf 11 and 7 holes Perf 10), deep rich color, choice centering

EXTREMELY FINE. SINCE ITS DISCOVERY ABOUT 15 YEARS AGO, THIS HAS MAINTAINED ITS POSITION AS THE LARGEST RECORDED MULTIPLE OF THE ONE-CENT 1917 ISSUE WITH PERF 10 ON ONE SIDE. ONE OF THE GREAT 20TH?CENTURY RARITIES.

Our census of Scott 498g is available at https://siegelauctions.com/census/us/scott/498g. Tallying the number of stamps in a summary is complicated by the existence of multiples containing Perf 10 One Side and Transitional Perf 10/11 One Side stamps, as well Mint N.H. and hinged stamps in the same multiple. Here is the tally (current 5/25/2020):

Mint N.H. = 10 stamps (6=Perf 10 and 4=Transitional P10/11) -- 8 are in multiples

Previously Hinged = 2 stamps (both Perf 10) -- 1 is in a multiple

Used = 7 stamps (6=Perf 10 and 1=Transitional P10/11) -- 3 are in multiples

Accompanied by a dealer's old envelope which does not mention the Perf 10 on one side stamps and offers the block for $2.48. It is believed that the block was purchased from the post office in Rochester N.Y. and sat in a dealer's stock until its discovery about 15 years ago.

Census no. 498g-OG-BL-01. With 2006 P.F. certificate. Scott value $27,500.00 for Mint N.H. single (the same for transitional variety) -- total $110,000.00

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