Bidspirit auction | United States

United States - 1919, Washington, 1c green, rotary press (coil waste) printing, plate No. 13611 block of ten (5x2) imperforated horizontally, very nice centering, full OG, pair under plate number is NH, ''side'' blocks are hinged at top, VF, C.v. $1,090 as plate block, block of four and pair, Est. $400- $600, Sc. #538a