Key to Surface-printed Issues 1855-1883

Quality: ✉

1855/1863 Two letters, one franked with n° 19 "Two pence white lines" with perf 16, vertical pair sent from London to Lyon/France and the other letter franked with n° 42 "Penny red", strip of 3 and 2 loose stamps on "Irish cover" registered letter sent from Oranmore to Dublin, rare, vf