Mexico, 1891-92, 1c-25c Numeral Issue, "Specimen" Overprint, set of 10 values in assorted issued colors, with higher values in orange, the 12c lilac with corner repair but is very scarce, 5 issues with natural s.e.'s, F.-V.F. Scott No. 181S,212S-213S,216S,222S-227S  Estimate $400 - 600. $0 (Image)