Mexico, 1864-66, 1r blue, horizontal pair (Guadalajara - Cocula), Cocula district overprints, cons 131-1865, sub 40, margins large to a bit into at right, tied by Autlan oval handstamp (Schatzkes 375) on 1866 folded letter sheet to Colima, Very Fine, a rare sub-office usage, with only 100 stamps sent; with 2011 MEPSI certificate. Scott No. 21  Estimate $1,500 - 2,000. $0 (Image)