Colour PPC inscribed 'BULL FIGHT AT TIA JUANA MEXICO' franked on message side with 1910 2c green (SG 283) cancelled by the dumb 'Black Blot' cancel with large oval BULTOS POSTALES TIJUANA B. CFA. cancel in bright magenta dated JUL 27 1911 alongside. Addressed to USA. These markings were used by the revolutionary communes in Baja California during the "Magonista" Revolt of 1911 led by Ricardo Flores Magon which was a precursor to the Mexican Revolution. A Rare item from a small and short lived rebellion.