Mexico 1864-66, 1r blue, half used as ½r. On piece with 3 giant margins, oily double lined box cancel of Apaseo (Sz. 1283), an incredibly rare bisect for the ½r rate, Follansbee lists only one circular also from Queretaro, unlisted on piece, Very Fine, only the 2nd known copy of this bisect. Scott No. 21c  Estimate $500 - 750. $0 (Image)