I've often seen "two-person exhibition" used to describe this kind of show.

If you do a web search for these terms, you'll find a great deal of results from a variety of artists & galleries using that term.

I've often seen two-person exhibition used to describe this kind of show. A simple web search on the term brings up a number of examples.

I've often seen "two-person exhibition" used to describe this kind of show.

I've often seen "two-person exhibition" used to describe this kind of show.

If you do a web search for these terms, you'll find a great deal of results from a variety of artists & galleries using that term.