mail art
mail art is a art movement or artist-run initiative.
Also recorded as postal art; correspondence art.
Overview
It is associated with Switzerland. The record gives 1982 as its date of establishment or first appearance. VALÉORINE records this subject so that lots referring to it can be described consistently.
In detail
art movement coined in the 1960s
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
“Mail art”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q843393: mail art
Consult the source