Franchise mark "DIRECCIÓN GENERAL DE SEGURIDAD - SECRETARÍA GENERAL" on cover to Roquetes. Returned to sender with Roquetes arrival backstamp dated on December 8, 1937, and Barcelona re-entry of December 9, 1937.
Postal stationery Edifil 69 with Mallorca local Allepuz 22. Palma de Mallorca with unreadable mark, but text on the back dated on December 12, 1936. Rare early piece of postal history to a Francoist concentration camp. Central folding mark.