Se-tenant
Se-tenant is a postage stamp or philatelic term.
Also recorded as the printing together; printing together; combination; combination (philately).
Overview
Catalogue entries for stamps state issue, perforation, gum and certification. VALÉORINE records this subject so that lots referring to it can be described consistently.
In detail
two or more different designs or values of stamp printed together in the same sheet
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
“Se-tenant”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q2064495: Se-tenant
Consult the source