Lot
1670 
Mexico 1927-28, 5p green & black, inverted overprint. O.g., F.-V.F., a rare stamp, listed but unpriced in Scott; signed Ruidaiz. Scott No. O193a Estimate $200 - 300.
Realized: $170
Sale 36: The Winter Sale
General Foreign: Mexico - Officials, Stationery & Back of the Book Balances
Lot 1670
Mexico 1927-28, 5p green & black, inverted overprint. O.g., F.-V.F., a rare stamp, listed but unpriced in Scott; signed Ruidaiz.Scott No. O193a Estimate $200 - 300.