United States 1997 'Pacific 97' International Stamp Exhibition (2nd issue) - 150th Anniversary of first US Postage Stamps m/sheet of 12 x 50c (Franklin) unmounted mint, SG MS 3302a
United States 1997 'Pacific 97' International Stamp Exhibition (2nd issue) - 150th Anniversary of first US Postage Stamps m/sheet of 12 x 50c (Franklin) unmounted mint, SG MS 3302a