![unused $50 in black with overprint type C [31], fine unused Photo](https://www.christies.com/img/LotImages/2001/SPH/2001_SPH_01288_1272_000(034817).jpg?w=1)
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unused $50 in black with overprint type C [31], fine unused Photo
Yang EC357b, US$800
Yang EC357b, US$800