Lot 3038
( )
1852, 3¢ dull red, "Chicago" perf 11 (11 var.), bottom sheet margin single, position 97R2L unused, exceptionally bright and fresh, very well centered. A Very Fine and choice example of this rarity.
Scott $6,500
AN IMPORTANT VARIETY FOR THE 3¢ 1851 SPECIALIST.
Expertization: 2005 P.F. Certificate.
The so-called "Chicago" perforations were applied by Elijah W. Hadley, a Chicago dentist, using a perforating machine he built in hopes of selling it to the Post Office Department. According to W. Wilson Hulme, II, in his article in the May-August 1997 Chronicle, there are only 33 unused examples known, including a block of nine, a block of six and a block of four. All come from the same pane of 100, a right pane from plate 2L. They were perforated in June of 1855 on a prototype machine with a gauge of about 11 using a "sewing machine" type perforator. By April of 1856 Hadley had redesigned his machine using a "comb" perforating process guaging about 12. All known used examples were perforated on the newer machine.
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