Mexico, 1856, 4r red, Saltillo. O.g., hinge remnant, large margins clear of the design, rich bright color, Extremely Fine, with 180 stamps sent this is the unique mint example of only five recorded; with 2009 MEPSI certificate. Follansbee No. 4A $5,000 for used. Scott No. 4  Estimate $3,000 - 4,000. $0 (Image)