Bayan Rubin 5 (USSR, ~ 1990). In good state.
Price: 700 Euros
Right hand: 55 buttons (Bes -e4), 2 reeds
Left hand: standard bass 120 buttons, six rows, 3 standard bass reeds, 56 free bass notes (E/B), 2 free bass reeds, 1 free bass register
Weight: 10 kg.