French silverplate, pearl buttons, 1920's? Cornet

Description

French - I sent the picture to a trumpet expert and he said it was maybe made by Couesnon in Paris, France- maybe 1920's. It has "made in France" on it. Once it was in America, someone put "Kelton American Pride" on the bell.-Silverplate. brass inside bell.-Pearl buttons-Pistons move smoothly-Some tuning slides move freely, some don't, but I didn't try hard to pull them apart.-There is 1 ding on a tuning slide, and the bell is dented. -see pictures
-older Brown case with red velvet lining