Euphonium - Wanted: Used Compensating Euphonium

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I'm looking for a used compensating euphonium (as I'm on a budget). Must have the 3+1 valve placement (similar to the likes of the Besson Sovereign, Yamaha YEP-642, or Willson 2900 Series).

This instrument is going to be used for my church orchestra, so again, I'm looking for either an instrument that has been well-loved already (but still in good playing condition) or one that is newer and "discounted" because someone is feeling charitable towards my cause ;)

Thank you!