Mexico, Official, 1916, 5p carmine & black, Corbata overprint, o.g., very well centered, strong colors, light gum bend, still Very Fine, a rare key Official issue; with 1993 MEPSI certificate. Scott No. O101  $900. $0 (Image)

Mexico, Official, 1916, 5p carmine & black, Corbata overprint, full o.g., well centered, rich colors, Very Fine, a choice example of this extremely rare key Official issue, pictured in Follansbee Stamps of the Mexican Revolution; with 1978 and 2008 MEPSI certificates. Scott No. O112  $3,250. $0 (Image)