Enter the serial number marked on your Blessing instrument — usually on the valve casing, bell or receiver.
Serial on the valve section — rear of the 2nd valve casing.
The archive currently covers 1 series and 38 dating ranges from 1906 to 1980, compiled from published maker records and reference charts. Coverage grows as new tables are verified.
Serial on the valve section — rear of the 2nd valve casing. 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.