Enter the serial number marked on your Hohner instrument — usually on the valve casing, bell or receiver.
On Hohner accordions the number usually sits on the rear of the treble side, on the bass-side plate, or on a small identification plate near the bass strap. Pre-1930 instruments may carry a stamped date instead.
The archive currently covers 2 series and 200 dating ranges from 1934 to 1941, compiled from published maker records and reference charts. Coverage grows as new tables are verified.
On Hohner accordions the number usually sits on the rear of the treble side, on the bass-side plate, or on a small identification plate near the bass strap. Pre-1930 instruments may carry a stamped date instead. The exact spot varies by era and instrument type — the serial number guide walks through the common locations.
Recheck the characters exactly as marked, including any letters and leading zeros. Letter-prefixed numbers often belong to student or non-domestic lines that cannot be dated from the number. Some production periods may simply not be covered yet.