Rowe Hopper. The part # 6-50276-02.
This hopper fits models such as BC9, BC10, BC11, BC20, and others.
Hopper is used and in fine working order. Came from a BC-20 Bill Changer I'm parting out.
Buyer to pay $29.95 S&H in USA. If you are outside of USA, then please email me your mail information for a S&H quote.