This is a vintage Hohner harmonica 48 Chords by M. Hohner.  It is the world’s largest and it is made in Germany.  Just selling this item AS IS.  Do NOT know if it is in playable condition.  Selling it solely as a collectable vintage piece.  It measures approximately 23.5 inches long.  Please review ALL pictures and the video.  Comes exactly how it is pictured and captured in the video.