unmounted mint 1960-61 15m. olive-green and indigo, a horizontal pair, fine unmounted mint. Scarce. B.P.A. Certificate (1963). S.G. 192a, £200

Details
unmounted mint 1960-61 15m. olive-green and indigo, a horizontal pair, fine unmounted mint. Scarce. B.P.A. Certificate (1963). S.G. 192a, £200