The mark containing B,A,B with 'A' backward is the trademark for
B. A. Bremond company and is considered a high quality music box.

The name of the society you ask about is "Musical Box Society
International".  The local chapter is the East Coast Chapter which
covers from Maine down to Virginia and west to Pennsylvania.  The name
of the membership chairman of the East Coast Chapter is Glenn Crater,
telephone number (973) 838-5851.  The name of one of the music box
experts in your area is Jeri Ryder, phone number (908) 273-1555 or
(908) 273-1513.

The East Coast Chapter is very active and has had meetings in the
NJ and PA area many times, as well as other areas of our membership.

Sincerely,
Marvin Polan
Melville, NY 11747