unused  WEST SZECHWAN: 50c. on 16c. olive-brown variety D.P.P. overprint omitted in a horizontal pair, fine unused. Chan 673i. Lionel Prescott Collection. Photo
unused WEST SZECHWAN: 50c. on 16c. olive-brown variety D.P.P. overprint omitted in a horizontal pair, fine unused. Chan 673i. Lionel Prescott Collection. Photo

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unused WEST SZECHWAN: 50c. on 16c. olive-brown variety D.P.P. overprint omitted in a horizontal pair, fine unused. Chan 673i. Lionel Prescott Collection. Photo