All accordions are fitted with a removable back pad. This back pad makes playing more comfortable and protects the bellows from wear and tear.
Register stops on certain models remove the third from the chord.
C# / D tuning is available in all button models
Register stops on certain models remove the third from the chord.
Models that have a bass stop (register) gives the choice of a major chord or 3rd removed (5ths).
Those models without stop the 3rd is removed (5ths), from the chord.

Pdf Documents for Printing:
Click the links below to download Pdf documents of the schemas for the Pietro Mario B/C and C#/D button accordions:
Pietro Mario will handcraft special custom orders for accordions. Waiting time will be four to five months.
Pietro Mario instruments are guaranteed for one year. This guarantee is for defect in material and workmanship. Excluded is any damage, normal wear and tear and abuse to the accordion. All warranty work must be carried out by Pietro Mario.





