Air Mail cover 1870 (4 Oct.) "Ballon Monte" entire (small portion of reverse missing) bearing "Laureated" 10c. and 20c. (both applied over upper edge and with faults), cancelled by "etoile" "16" and addressed to Ireland, Lisburn (14.10) arrival c.d.s. on reverse. Rare. Cat. F.F.14,500. Photo