1993 Gibson RB1 Tone Hoop Greg Rich Era.  CALL TODAY 404-372-5482 SOLD FREE USA SHIPPING 1993 Gibson RB1 Tone Hoop Greg Rich Era This is a Gibson RB1 Tone Hoop off of a 1993 Gibson Banjo.  This was made during the Greg Rich era.  The tone hoop is brass and is certainly a good part [...]