guinea
guinea is a gold coin or currency.
Also recorded as Guineas.
Overview
Materials recorded for it include gold. It is associated with United Kingdom. Catalogue entries for coins state issue, mint, grade and any certification. VALÉORINE records this subject so that lots referring to it can be described consistently.
In detail
coin of approximately one quarter ounce of gold that was minted in Great Britain between 1663 and 1814
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
“Guinea (coin)”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q918094: guinea
Consult the source