pernach
pernach is a flanged mace or insignia.
Also recorded as pernatch.
Overview
Eastern version of a flanged mace.
In detail
pernach is a flanged mace or insignia.
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
“Pernach”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q981926: pernach
Consult the source