The Vintage M Hohner Marine Band No 365 Harmonica is a classic German-made diatonic harmonica in the key of C. With its 14 holes and iconic M. Hohner Marine Band model, this harmonica is perfect for folk and world music enthusiasts looking for a high-quality, vintage sound. Made in Germany with expert craftsmanship, this harmonica is a timeless piece of musical history that is sure to impress both beginners and experienced musicians alike.