Blog Update March 7, 2026. Spanish Philippines Derechos de Firma, Fees for official signatures 1864-1867. Spanish Philippines Derechos de Firma, Fees for official signatures on Telegram receipt from Manilla to Boston USA. dated 29 January 1881. Spanish Philippines telegram receipt 1882. Telegram to Singapore from the Philippine city of Cavite. Three Derechos de Firma revenue stamps plus 3 postal stamps were used as telegraph stamps. Revenue stamps were used for telegraph and