Letter sent by a Polish inmate in KL Gusen to his wife in Posen in 1943. Letter is the foldable envelope+letter type of letter with instructions to be followed. This letter was sent by inmate number 6138 in block 10 in KL Gusen. Letter has also the censorship ink stamp and also another ink stamp saying "Only 1 postal reception per month". Letter is complete and in very good condition, including the post stamp still glued.