States - Río Hacha. 1901, 5c on yellowish and 10c on greyish blue, type I, each in full sheet of 16 with the stamps signed by "Julio R. Pichón" for validation, showing the common setting, and cancelled by "AGENCIA POSTAL NACIONAL/RIO HACHA" handstamps, as well as four covers with single frankings incl. 10c in diff. shades and with validation signature, and 5c on yellowish without signature.