via this auction
I don't believe I've ever seen one of these before. Piano, Honky Tonk, and Harpsichord with Bass & General volume sliders from JEN, the maker of synths like the SX 1000, SX 2000, String Machine, and Syntar.
Carlo Robelli via Wikipedia:"Carlo Robelli is an Italian maker of guitar and other musical instruments. In the 1960s, Carlo Robelli was a maker of inexpensive electric guitars, such as a model based upon the Gibson Les Paul. The company now focuses on acoustic stringed instruments, such as guitars and violins. Most Carlo Robelli modern products are made in China."
