Cover from San Miguel de los Reyes prison to Valencia, franked with 5c Edifil 745, 15c Edifil 747 and 25c Edifil 749. Unreadable postmark and San Miguel de los Reyes censor mark "D.P. Nº1 - VALENCIA / CENSURA". Info of the sender written on the inner part of the flap. With content.
Cover with censored letter from 6th Fortification Battalion, 1st Company, of San Miguel de los Reyes prison, sent to Valencia, franked with 45c Edifil 752 and Valencia censor mark Heller RV2.4 on the front and the back.
Post card franked with 25c Edifil 749 and unreadable postmark, sent to Mariano Ballester Navarro, in "C. de T. de San Miguel" in Orihuela, this is Campo de Trabajo (labour camp) in Orihuela, which was in San Miguel seminar in that city. Text on the back dated on the last days of the war, on March 21, 1939.
Post card from San Juan prison in Murcia to Villanueva del Arzobispo. No post marks of any kind and ripped off stamp. Handwritten note in red pencil "Más breve" (Shorter). Returned to the sender by the censorship of the prison for not matching the allowed extension of the text. Very rare.
Post card from Totana Labour Camp to Villanueva del Arzobispo, dated on May 1, 1938. No marks of any kind and with ripped off stamp. It could have been circulated in a cover or it may have been returned by the censorship of the camp for having a text longer than what was allowed.
Improvised post card, made with a sewed sheet, prepared by the prisoner Celso Bueno y Bueno to be sent to his wife Mercedes Marco Sánchez in Villanueva del Arzobispo (Jaén), with no text on the back and uncirculated.
Post card franked with 25c Edifil 749 and unreadable postmark, sent to Salvador Garriga, Regàs 4, 4º 2a, Barcelona. Text on the back dated on December 31, 1938 and signed by Juan Recasens, who points as sender's address "Campo 3".
No postmark but text dated. Censor mark "27 División - 124 Brigada / Mixta / Censura" on double post card of Milícies Antifeixistes de Catalunya from Tardienta, in the Aragon front, to Barcelona, The card was sent fully used, with the text on the return part.
International Brigades censor mark Heller 5b on field post card with stamp cancelled by handwritten lines and sender from the 140 Brigada Mixta, 44 Division. By the end of the war and after the International Brigades were dissolved, their censor marks were still used by the Republican Army in Catalonia, between December 1938 and January 1939.
Field post mark from Bujaraloz to Barcelona with censor mark "Columna Durruti / Frente Bujaraloz / Censura"in red, Apollaro nr 91 (Histoire Postale de la guerre civile d'Espagne) and Heller page 33 (La historia y el servicio postal de las Brigadas Internacionales). Dated on 31 Aug 1937. Very rare.
Cover from the front to Les Franqueses (Barcelona) sent by a soldier in 179 Brigada Carabineros, with rare postmark "175-B / C. C." that should be read as "175 Brigada, Correo de Campaña". With content dated on 15 Aug 1938. Very rare.
Cover from Bobadilla to Seville franked with block of Republican Edifil 657. Unlisted censor mark “Comandancia militar de” and “Censura” handwritten after it. Stamps cancellation being “Bobadilla” handwritten across the block. Very rare.