Vintage 1928 ROLMONICA Musical Harmonica was popular back in the 20's and advertised as " THE ONLY PLAYER HARMONICA THAT PLAYS WITH A ROLL ANYONE CAN PLAY IT ". This example is in very nice condition with no chips or cracks in the bakelite material. The twin handles turn freely to play the roll of music as the player blows into the mouthpiece, The music roll has openings that change the notes and play the song selected. This come with ONE roll already installed and functions perfectly as the manufacturer intended. A wonderful and unique musical instrument from a bygone era.