$2.00 on $1.00 Offices in China, Double Surcharge (K16a). Wide margins and choice centering, clear second surcharge, cancelled by bold strike of "U.S. Pos. Service, Shanghai, China, Dec. 23" circular datestamp with some oily bleed

EXTREMELY FINE. A RARE USED EXAMPLE OF THE $2.00 OFFICES IN CHINA DOUBLE SURCHARGE WITH WIDE MARGINS.

The Office in China double surcharge error occurred during the overprinting of stamps for use at the U.S. Postal Agency in Shanghai. It has been reported that the errors were among the last stamps to be put on sale before the agency 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. This stamp is far scarcer in used condition. Approximately six covers are known.

With 2012 P.S.A.G. certificate

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