Nice. I envy that NA.If it's 235,xxx that's too early to be a New Aristocrat. 285,xxx is more likely.
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If it looks like the one on the top, it's a New Aristocrat which has split bell keys. If it really is serial 235,xxx, I'd really like to see a picture of it.
That's a Model 137 Aristocrat, the first full-fledged Aristocrat. The 137s are great horn.
I also have eyes for these
There you've actually got two different horn models. Compare the bell of the 303xxx horn to the bell of the first horn you posted a pic of. Then compare those bells to that on the 313xxx horn - you'll notice the 313xxx horn's bell has a different flare.313xxx and 303xxx