September 9, 1938
Source: in a private collection
Cover to Antonio Bassols Castells, Labor Camp nr 6, Muntaner 55, bajos, Barcelona (the SIM post office). Franked with Edifil 749 and Barcelona local surcharge. Barcelona roller postmark of September 9, 1938. Returned to sender with mark on the back “Rehusada por el / agente del SIM” (refused by the SIM’s official) and signature of this official oredring the return.