This is a 1909 Mexican revenue stamp valued at 5 Pesos, issued for fiscal control purposes. The design, printed in brown, bears the inscription "CONTROL DEL TALON AÑO 1909" and was used for licenses, direct contributions, and receipts (patentes, contribución directa y guías). It features a large control number at the top, ensuring accountability within the tax collection system. Such stamps were not intended for postal use but played an important role in Mexico’s administrative and fiscal history, making them highly collectible revenue issues today.