Rhodesia 1917 Admirals. Livingstone Press Provisional Surcharge. ½d. on 1d. rose-carmine. Block of four. Varieties, ‘Surcharge inverted on all four stamps and Letters “ny” of “Penny” spaced wider on lower right-hand stamp’. Superb lightly mounted and unmounted mint. British Philatelic Association Certificate (1980). POSSIBLY UNIQUE AS A BLOCK.