Cover from the Yucatan with printed 'R Gutierrez, Merida, Yucatan, Mexico' on front, handled by the import/export company 'J.A. Medina' with large 'J.A. MEDINA COMPANY NEW YORK' handstamp in violet on front and endorsed 'Per Olympia'. Franked on arrival in USA with USA 1910 4c yellow brown (SG 384) tied by WALL STREET STA N.Y. cds dated 1914 (the month is not clear but looks to be May). Addressed to UK. An unusual conveyance of mail in the revolution.