8 cm GrW 34
8 cm GrW 34 is a 81 mm mortar or artillery model.
Also recorded as sGrW 34; 8 cm Granatwerfer 34; GrW 34; 81 mm mortar GrW 34; SGrW 34 81mm Mortar.
Overview
1930s portable 81 mm mortar of German origin.
In detail
It is associated with Nazi Germany and Germany.
Sources
Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.
reference work · Reputable secondary · Wikipedia
“8 cm Granatwerfer 34”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q614873: 8 cm GrW 34
Consult the source