This is from an ornament and pin set of Seasons Greetings. Both of them are singing while holding lyric books.
The pin shows Minnie Mouse and Mickey Mouse.
At the right of the pin, we see Mickey Mouse wearing brown shoes and green trousers or pants. At the top left of the pin, we see Minnie Mouse wearing a red head bow and red shoes.
The reverse of the pin is silver and is impressed with mickey heads. Written on the reverse of the pin is “ Annual passholder Limited Edition 3000 Edition Limitee 3000 FAC-036223-22184 ©Disney Made in China FABRIQUÉ EN CHINE ”. two posts are found on the back of this pin.