The SF Music Box Co Brass Glass Flying Hummingbird Jewelry Box is a rare collectible music box manufactured in Japan during the 1940s-1960s by San Francisco Music Box. This unique piece features a brass and glass design with a charming flying hummingbird, making it a perfect decoration for any music box collector or enthusiast. With its intricate design and functional musical mechanism, this vintage jewelry box is sure to be a standout piece in any collection. Birds wings move easily and music plays well, winds well. In amazing condition for its age.