Vintage carousel horse music box

Vintage carousel horse music box. Has the carousel waltz has a number 60 not sure what that means. a sticker on the bottom that shows what store it was bought at . Don't know what year it was from it was my grandmother's. The music box works . It does show some wear on the bottom of the box . and has a spot of black fabric in the box on the red part . looks like something is in the side of the box.It has a little spot on one side. see pictures.