If this is the one, then there's no problem with the Falcon/Heritage six-cilinder two key. Just a lucky shot, I searched earlier, but now it's bulls-eye :joy:
Gabbanelli King Cajun 2 tone accordion
Verkocht - Nov 23, 2018, 1:33 PM $740.00
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Verkoper: 2013archangel1 (143) 100%, Objectlocatie: Sugar Land, Texas, Verzending naar: Worldwide, Objectnummer: 372491855580 Condition: Open box, Brand: Gabbanelli, Model: King 1 Row, Type: Button Accordion, Number of Treble Keys: 10, Sub Type: Cajun, Skill Level: Advanced, Register: 4, Country/Region of Manufacture: Italy, Number of Bass Keys: 2
New with Case. Professionally built in Italy, Gabbanelli white Cherrywood King Cajun accordion with 2 keys- B flat and A in one. 2 pull knobs for each key right hand, 1 pull knob to change key on left hand bass side.. Each key plays 3 sets of reeds- High,mid,low octave. Convenient box with 2 keys in one, special ebay deal.