Circa 1904 undated cover franked with a pair of 1904 10c brown on white 'Department of Santander' LOCAL POST issue with variety IMPERF BETWEEN VERTICAL PAIR and pair 50c yellow TRAIN issue imperf horizontally with just vertical perforations, tied by two fine strikes of oval 'REPUBLICA DE COLOMBIA CORREOS DEL DEPTO DE SANTANDER BUCARAMANGA' cancel in blue. Addressed locally within Santander to ZAPATOCA. An exceptionally rare cover and superb TRAIN thematic. Fewer than 10 covers are known with this issue and a cover from the same correspondence was illustrated and annotated as the 2nd recorded cover of this issue in Copacarta Volume 7 No.4 of June 1990.