Mexico, 1868, 6c & 50c Hidalgo Issues, Chihuahua. Cons 21-70, #58 6c pair and #69 50c perforate cancel by oval Chihuahua oval cancel (Schatzkes 143B), 6c pair with near complete strike, Extremely Fine, choice and unrecorded on the 50c perforate. Scott No. 58, 69  Estimate $150 - 200. $0 (Image)