Canal Zone, Dec. 1926, 2c carmine George Washington, Perf 10, Rotary Press printed (#97), Top Right Plate #18632 Block of 4. Unused, Lightly Hinged, Average to Fine Type B "CANAL ZONE" overprint with Sharp A's on U.S. #583. 1st Printing, 9mm Spacing. A Very Scarce Plate Block (Scott Value $475.00)!