Has scratches and ware and damage on both sides but works For sale is a vintage harmonica made by Blue Danube. This harmonica is a chromatic type with 48 keys. It is a great addition to any collection of vintage musical instruments. The harmonica is in good working order and produces clear and beautiful tones. It is perfect for anyone who loves to play folk and world music. Don't miss out on the chance to own this rare and unique instrument.