France. 1917-19 War Orphans. 5f. + 5f. blue and black, horizontal pair from the lower right corner of the sheet, unmounted mint, well centred and fresh colours; a few minor wrinkles, very fine and rare. Signed Calves and with his Certificate (1981). Spink Maury 155, €11,000+ (Image1)

Est. £2,500-5,000