unused  $500 on $5 (unissued) and $500 on $10, both top left corner stamps, fresh with much original gum. Photo
1950 Second Surcharge
unused $500 on $5 (unissued) and $500 on $10, both top left corner stamps, fresh with much original gum. Photo

Details
unused $500 on $5 (unissued) and $500 on $10, both top left corner stamps, fresh with much original gum. Photo
Yang AD67-68, US$1650; S.G. NE67, 70, JPS LD68-69