Are coin plaques considered exonumia??

Do coin plaques fall under the umbrella of exonumia, or some other field? I'm talking about plaques that are an "artistic" representation of actual coins. I collect the ones made by Thermo Art Plastics in the early 70's for use in banks, but I've also seen many by Hammond, Modern Art, and other makers. Some are metal, others plaster, and still others plastic with foam core. Anyway, let's say hypothetically I was listing some for sale on eBay...would the exonumia category be appropriate? If not, then what?
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RMR: 'Wer, wenn ich schriee, hörte mich denn aus der Engel Ordnungen?'
CJ: 'No one!' [Ain't no angels in the coin biz]
Endonumia? Not technically, but, while I don't have it, it has me. .
the inventory of a magic-supply company that went out of
business about 15 years ago. They're large, lightweight
Kennedy half dollars, Washington quarters, Roosevelt dimes,
and Lincoln cents, big enough to see from the audience when
the magician was working onstage. Not what many people
would think of as collectible exonumia, but I do!