1964, 4p Geographical Congress, violet color omitted (411a, Gibbons 652a), mint single, never hinged, very fine, Scott retail $175.00, Gibbons £175      photo
Great Britain
1964, 4p Geographical Congress, violet color omitted (411a, Gibbons 652a), mint single, never hinged, very fine, Scott retail $175.00, Gibbons £175 photo

Details
1964, 4p Geographical Congress, violet color omitted (411a, Gibbons 652a), mint single, never hinged, very fine, Scott retail $175.00, Gibbons £175 photo