1c-60c Offices in China (K1-K14, K17-K18). 10c and 24c lightly hinged, all others Mint N.H., all have fresh and bright colors, Very Fine-Extremely Fine and choice, 12c, 14c and 18c with P.F. certificates

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$1.00 on 50c Offices in China (K15). Mint N.H., bright color, well-centered, Extremely Fine and choice

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$2.00 on $1.00 Offices in China (K16). Mint N.H., perfectly centered with wide and even margins all around, Extremely Fine Gem

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$2.00 on $1.00 Offices in China, Double Surcharge (K16a). Block of four, shows the doubled overprint distinctly, remarkably well-centered, rich color, full original gum, blue crayon mark on back of top left stamp

VERY FINE-EXTREMELY FINE. AN EXTREMELY RARE BLOCK OF THE $2.00 OFFICES IN CHINA, OF WHICH ONLY 100 WERE ISSUED.

The Office in China double overprint error was caused when the sheet was run through the overprinting machine twice. It has been reported that the sheet was one of the last to be put on sale before before the U.S. Postal Agency in Shanghai closed on December 31, 1922. The Deputy Postal Agent, Mr. E. H. Murray, knew of the error but allowed it to be put on sale, as he was retiring and the Agency was closing. There are at least six covers recorded.

Ex Livingston and Klein. Scott Retail as four singles

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