Retro M HOHNER 30-hole double-sided tremolo harmonica, C/G key, made in Germany *Purchased at a German flea market about 30 years ago. Long-term storage item. Heavy sound. Sold as is.* #HohnerHarmonica #TremoloHarmonica #MadeInGermanyInstrument #CKeyGKey #VintageHarmonica Hohner is a world-renowned manufacturer of harmonicas and accordions, founded in Trossingen, Germany in 1857. A tremolo harmonica has two reeds for each note, tuned slightly apart to create a unique tremolo effect. This effect is similar to the sound of an accordion and is widely used in folk music around the world and in Asian music. Thank you for viewing.