RARE! Set of 4 vintage wooden musical Bones

RARE! Set of 4 vintage wooden musical Bones
A set of four vintage wooden musical bones. These bones, also known as rhythm bones, are traditional percussion instruments, typically made from wood or bone.
They are used by holding them in the hand and clicking them together in various ways to create rhythmic sounds.
Key features of the depicted bones:
Material: Wood, likely a rosewood or ebony hardwood due to the dark color and grain.
Shape: Rectangular with slightly rounded edges, a common shape for musical bones.
Size: Each bone is around 7 inches long, 1 inch wide, a typical size for this type of instrument.

Musical bones have a long history, dating back to ancient times and are found in various cultures. In American folk music, particularly in minstrelsy, old-time, and bluegrass genres, they were a common instrument.