Lisää soittimia valmistajalta: Oy Harmonikka
Amerikkalaismalli
- Accordion type: Five Row Accordions
Standard Bass Accordions
- Manufacturer: Oy Harmonikka
- Model: Amerikkalaismalli
- Trade name: Neco-Superior
Place of manufacture: Kouvola, Finland
Time of manufacture: 1941–1947
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