Bayan Tula (USSR, ~ 1940/1950). Handmade, with mother of pearl buttons. Completely renovated.
Price: 2500 Euros each
Right hand: 61 buttons (G-g4), 3 rows, 2 reeds
Left hand: standard bass 120 buttons, 6 rows, 4 standard bass reeds (like in Jupiter)
Weight: 10 kg