Glad to try to help. It is quite often the case, I have found, sellers of instruments are not in the business, just get all sorts of stuff at estates, etc. and put them out there to sell, like anything else. Normally, they appreciate a "heads up" on relevant details about their listing. I have done that many times on Ebay and Shopgoodwill.com, also. Now, if you had a Martin Imperial, info is much more readily available.
You will see on my list a Remington Deluxe trumpet which I bought on Ebay for $7.50 and am puttering about doing some restoration. After I stripped many years of crud and the lacquer, I found it had a rose brass bell. No info is available on it, but a friend of mine things it has York instrument clues and may be stencil made by them, as they did for many manufacturers.
Maybe we will find answers.....someday
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Dave Rafferty
07 Barrington Trumpet, 1972 Reynolds Medalist
55 Besson 8-10 trumpet
55 Roth by Reynolds Cornet
73 Olds Ambassador Cornet
30's Czech small bore Trumpet
Getzen 80 cornet, 33 American Standard cornet
66 Olds Ambassador Trumpet
www.kalamazooconcertband.org