Butterfly Bomb
Butterfly Bomb is an aerial bomb or bomblet.
Also recorded as SD 2; Devil's Eggs; Sprengbombe Dickwandig 2 kg.
Overview
Bomb used by the Luftwaffe.
In detail
It is associated with Nazi 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
“Butterfly Bomb”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q3084080: Butterfly Bomb
Consult the source