Letter sent by a Polish inmate in KL Auschwitz I, the Stammlager, to a relative in Warsaw March 1944. Letter is the foldable envelope+letter type with instructions to be followed after. This letter was sent by inmate number 119299 in block 5 B in KL Auschwitz I.

Info from Auschwitz museum :
Fate:

1. 1943-04-29, Auschwitz, arrived to camp

Kołakowski, Wincenty

(prisoner number: 119299)

born: 1902-02-27, place of birth: Wola Wierz., profession: radiotelegraphist