shuriken
shuriken is a throwing weapon or prohibited weapon.
Also recorded as throwing star; ninja star; Throwing Stars.
Overview
Its recorded use is Shurikenjutsu. It is associated with Japan. Catalogue entries for arms and armour state maker, marks, mechanism and, where relevant, licensing. VALÉORINE records this subject so that lots referring to it can be described consistently.
In detail
throwable Japanese concealed weapon
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
“Shuriken”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q47098: shuriken
Consult the source