Lisää soittimia valmistajalta: Oy Harmonikka
Maestro
- Accordion type: Piano accordions
Standard Bass Accordions
- Manufacturer: Oy Harmonikka
- Model: Maestro
- Trade name: Oy Harmonikka
Place of manufacture: Kouvola, Finland
Time of manufacture: 1962–1963
Registers: 11+5
Voices: 4+5
Notes: 41 (f-a''')
Reeds:
Dimensions: 48 x 19,3 cm (H D)
Weight:
Serial number: 4614