Hohner Cécile, ca. 1910

Ich habe eine Hohner Cécile, ca 1910 erworben, erhalten. Kann mir jemand sagen, nach welchem Griffsystem dieses Instrument gespielt wird? In der Abbildung befindet es sich neben meinem chromatischen Instrument

" I received a Hohner Cécile, acquired around 1910. Can anyone tell me what grip system this instrument is played on? In the picture it is next to my chromatic instrument."

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It looks like a club system accordion and it will be diatonic rather than chromatic such as your bigger instrument.