Mexico, 70-68 Guadalajara, 10/22/68 Mexico Certificacion box (Schatzkes unlisted) on rough manila paper, no receiving information other than the signature of the postmaster on front, 2nd of 27 consignments to Guadalajara, contained only 8,000 25c Thick Figure stamps, Very Fine. Estimate  $100 - 150. $0 (Image)