Keilwerth Serial Number Ranges By Model
| Model | Start # | End # | ||
| Early Horns | unknown | unknown | ||
| New King & Tone King | unknown | unknown | ||
| H-Couf & Armstrong | unknown | unknown | ||
| Peter Ponzol | unknown | (1986) | unknown | |
Keilwerth Serial Number Chart
| Serial Number | Year Manufactured |
1 - 800 |
1925 |
18,500 |
1941 |
20,000 |
1947 |
23,000 |
1953 |
28,000 |
1958 |
38,000 |
1960 |
43,000 |
1962 |
49,000 |
1964 |
55,000 |
1966 |
69,000 |
1971 |
79,000 |
1978 |
91,000 |
1986 |
99,100 |
1993 |
109,000 |
1998 |