[TenTec] Model 645 worth?

[rohre]

I have a chance to get a Ten Tec Ultramatic paddles - keyer unit.

Model is 645.  Please, what is the collective opinion of what one in good
condition should cost?  I have not had a chance to try it out yet, so any
comments on what to check would also be appreciated.

Thanks and 73,
Stuart K5KVH
rohre@arlut.utexas.edu

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