unused  -- 4c. on 6c. scarlet showing variety surcharge inverted, fine mint. S.G. 64c, £250. Photo
unused -- 4c. on 6c. scarlet showing variety surcharge inverted, fine mint. S.G. 64c, £250. Photo

Details
unused -- 4c. on 6c. scarlet showing variety surcharge inverted, fine mint. S.G. 64c, £250. Photo