Based on a little research, I believe this Italian-made accordion dates from the 1940s or 1950s (no manufacturer name). In good physical condition and seems to be in good playing condition. One small segment of the bass grille is missing -- you can see it if you look closely at photo #6. Straps are worn but sturdy.
Comes with original case ("D'A Product" label), which is old and fairly worn, but it latches shut and is clean and in good condition inside.