Mexico, 108-68 Guadalajara, 12/08/68 Mexico Certificacion (unlisted mark) on rough manila paper, manuscript receiver date of 12/15/68 acknowledges "tres mill pesos de valor", the 4th of 27 consignments to Guadalajara, contained 12,000 25c Thick Figure stamps, Very Fine. Estimate  $100 - 150. $0 (Image)