The M. Hohner Special 20 Marine Band E Harmonica is a vintage musical instrument known for its high-quality craftsmanship and distinctive sound. Made in Germany by Hohner, this harmonica is designed to play in the key of E, catering to musicians who prefer this specific key for their performances. With its traditional design and renowned brand, this harmonica is a popular choice among folk and world music enthusiasts looking for a reliable and authentic sound.