vz. 52
vz. 52 is a light machine gun or firearm model.
Also recorded as VZ52; vz. 52 machine gun; vzor 52; Model 52 light machine gun; Vz 52.
In detail
It is associated with Czechoslovakia.
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
“Vz. 52 machine gun”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q1504824: vz. 52
Consult the source