Servicio Postal Interior' BOLETIN DE EXPEDICION parcel post form franked with 1952 1p carmine, pair 1953 20c brown 'Extra Rapido' opt issue & 1957 2 x 10c black, (SG 760, 777 & 933) all tied by fine boxed EDAS Y VRES LTR BUENAVENTURA cancels in blue. Addressed to CUCUTA with ENCOMIENDAS arrival marking on reverse.