Mexico, 1864-66, ½r lilac, type V. Cons 1-1866, without gum, margins large to just touching at bottom right, couple small thins, otherwise Very Fine, this being the only known mint example of the 5th Period 1864-66, ½r Lilac, unlisted in Scott and Follansbee in mint condition; with 2010 MEPSI certificate. Scott No. 20c  Estimate $3,000 - 4,000. $0 (Image)