Baoding balls
Baoding balls is a iron ball.
Overview
Catalogue entries state maker, model, completeness of accessories and condition. VALÉORINE records this subject so that lots referring to it can be described consistently.
In detail
traditional product of Baoding, China
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
“Baoding balls”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q772291: Baoding balls
Consult the source