AT2 mine
AT2 mine is an anti-tank mine or bomblet.
Overview
Scatterable anti-tank mine.
In detail
It is associated with 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
“AT2 mine”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q4357660: AT2 mine
Consult the source