Until the issue of Ukrainian stamps on 14th Nov 1942, all German postage, official stamps and party stamps were postally valid. They were also valid after the issue of its own stamps, although the civil post offices and official post offices of the German Official Post only sold stamps with the Ukraine overprint.
Michel 1 and 2 "Vosnessensk District"
Issued Feb 1942, defintive stamps, perf 8, no gum.