Original Deutsches Reich – Rückkehrer Ausweis (Identification card), made from oil cloth. Issued by the Einwandererzentralstelle Nord-Ost – Fliegende-Kommission IV – Ausweisstelle in 1940 to a Polish female. Condition as seen.
Read more about the Einwandererzenstralstelle Nord-Ost here (Wikipedia).