A couple of ways to obtain an exhibition display would be at the local coffee shops, restaurants and small theaters. That may not be the style of exhibition your looking for but it is easy to set up, easy to get accepted and gives a fair amount of exposure.
The correct spelling is "exhibition" (a public display).
Exhibition.
An exhibition is a display of art. An exposition is a large exhibition of art. The difference is an exhibition is more selective.
One can find a table top display for an exhibition at office supply stores like Staples or Office Depot. It is also possible to order a table top from many online sites.
there in my bum
at the great exhibition they had on display : stalls, shops, thing to buy food places and etc.
display, presentation, performance, show, exhibition
You can read more about the Great Exhibition of 1851 at the Crystal Palace where the Kor-i-noor diamond was on display. At the time, that was the largest diamond known. The exhibition intended to display the 'works of industry of all nations'. As to why this diamond in this exhibition, that detail is lost to history, unless one wants to consider the Kor-i-noor diamond a 'trophy' example on display from the India colony. You can read more, below.
display, entrance, emergence, arrival, exhibition, presence, introduction,
Synonyms include display, exposition, show (showcase), presentation, or demonstration.
It is indeed at the bottom of the ocean (where it came to rest). However, one could not describe this situation as the Titanic being "on display", which implies that someone has arrange this for public viewing (as in a museum exhibition).
An event where artists display their work for public viewing is called an art exhibition.