post horn
post horn is a hunting horn or horn.
Also recorded as postal horn.
Overview
Its recorded use is signal instrument. 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
brass instrument
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
“Post horn”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q996531: post horn
Consult the source