Castagnari of Recanati is the benchmark maker of Italian diatonic accordions. From the 1990s many instruments carry a hand-written production date under the grille; earlier clues include the bellows diamond pattern and pencil batch marks. This page collects those markers.
The record makes room for uncertainty when a precise year is unavailable.
Factory and production era appear alongside the date when supported by a source.
See the source behind a match and what still needs to be confirmed.
No public records — dated by features.
Open the serial lookup →No serial records survive for Castagnari — these observations place an instrument by what is on it. Each is sourced.
Castagnari publishing no serial tables. Post-1990s instruments often carry the date under the grille; earlier ones are dated by bellows/logo/batch features.
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.