Obusier de 520 modèle 1916
Obusier de 520 modèle 1916 is a railway gun or artillery model.
In detail
It is associated with France.
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
“Obusier de 520 modèle 1916”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q290391: Obusier de 520 modèle 1916
Consult the source