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Ningpo
used 1863-71 18c. lilac cancelled by a half strike of "N1" in blue overstruck by "S1" in black, thinned corner perf., otherwise a good example and a rare postmark on this value. Photo
细节
used 1863-71 18c. lilac cancelled by a half strike of "N1" in blue overstruck by "S1" in black, thinned corner perf., otherwise a good example and a rare postmark on this value. Photo