Lot
1826 
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1916, 15¢ gray, top margin plate no. "5780" block of 6 with imprint & "A", o.g., center stamps hinged, others never hinged, rich bold color, nicely centered with strong intact perfs throughout, F.-V.F., only a few examples of this rare plate block exist today; with 1981 and 2017 P.F. certificates. Scott No. 475 $8,000.
ONE OF THE FINER EXAMPLES OF THE EXTREMELY RARE 1916 15¢ WASHINGTON-FRANKLIN IMPRINT & "A" PLATE BLOCK.
Realized: $3,000