used 1896 (May) surcharge in black, "2½" (S.G. Type 3) on 1a. (6), "2½" (Type 4) on 1a. (2) and "2½" (Type 5) on 1a. (4); all used (one with additional pen stroke), nine show minor varieties, fine. S.G. 23-24, #1450 (as normals). (12)