This music box disc was made by Regina Music Box Co. in Rahway, New Jersey, around 1897-1899. It is Regina Disc #4047 - "My Old Kentucky Home" and "The Darkies Dream." This disc is playable in a Regina Disc Music Box that can accommodate a 27” diameter disc.
This disc features the following patents:
U. S. Patent #417649, dated December 17, 1889 by Oskar Paul Lochmann for a music plate for mechanical instruments.
U. S. Patent #500374, dated June 27, 1893 by Gustav A. Brachhausen and Paul Riessner for a note-plate for music boxes.