đàn môi
đàn môi is a Jew's harp.
Also recorded as dan moi.
Overview
It is associated with Vietnam. 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
mouth harp used by minority ethnic groups in Vietnam
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
“Đàn môi”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q2442891: đàn môi
Consult the source