used 1878 (6 Nov.) (1c.) on 6c. ultramarine with horizontal and vertical bars; 1881 (Dec.) "1" on 48c. (13 with a corner block of twleve) and on Official stamps, "1" on 12c. and "2" (S.G. Type 19) on 24c.; fine used. S.G. 141, 152, 153, 159; 320