What model is this: http://www.ebay.com/itm/Vintage-B-D-Bacon-Banjo-Company-Silver-Bell-Tenor-Acoustic-Banjo-/290654027333?pt=LH_DefaultDomain_0&hash=item43ac547e45
Looks like 17 frets to the rim.
Is this a 22" scale banjo?
Is this one with the first Silver Bell tone ring?