Mexico 1866, 7c lilac gray, litho, Ixtlahuaca. Cons. 9-1866, o.g., ample to large margins, thinned at top, Fine, very rare with 140 sent, no used copies have been recorded and Follansbee only records this in the Chapman collection (80 years ago). Scott No. 26  Estimate $150 - 200. $0 (Image)