All Instruments
Serial Number |
Year Manufactured |
Excelsior or Frank |
|
6600 - 10,000 |
19?? - 1938 |
Excelsior and American Prep |
|
1000 - ?? |
1942 - 1945 |
Frank |
|
10,000 - 15,000 |
1945 -- |
American Prep |
|
100,000 - 112,000 |
1945 -- |
If you note any discrepancies, or have additional information concerning this company, we would appreciate it VERY much if you would pass it on to The Music Trader. Thank you!
