The first revenue stamp of Colombia.A large block of the triangular Habilitacion 1p stamps of 1893–94.A 1916 revenue stamp of Colombia for sales tax (Impuesto de Consumo).
^Anyon, Alan D. Handbook of Colombian Revenue Stamps. Bogota, Colombia: COLOMPHIL, Colombian Philatelic Research Society, 2009, p.11. ISBN978-958-44-5092-0