Stationery post card Edifil 75 to General Porlier prison, 1937

Postal stationery Edifil 75 uprated with 10c Edifil 682 with Madrid roller postmark dated on June 7, 1937. To José Luis Estrada Segalerva in Porlier prison, 3rd gallery. José Luis Estrada was sentenced to three years to forced labor for disaffection to the regime, by a sentence of February 20, 1937 issued by Madrid's Jurado de Urgencia Nr. 3 (see Archivo Histórico Nacional, signature FC-CAUSA_GENERAL,316,Exp.35)