1879, UPU 1c. green and 10c. black, the latter from the upper right corner, tied by grid of diamonds to imprinted cover from President Zaldivar (President 1876-1885) to Paris with adjacent cds. "ADMINISTRACION DE CORREOS LA LIBERTAD MZO 1 1882" and arrival mark, small part of cover at lower left missing, otherwise fine and attractive usage
