| Date | Serial Number |
|---|---|
| 1949-1965 | 18,000-67,000 |
| 1965 | Prefix A, B, C (minus H, I, 0, 0, W, Y & Z) |
| 1970 | Prefix "R" series |
| 1972 | Prefix "V" series |
| mid-1972 | Prefix 1,2,3, etc. |
| 1973 | Prefix "3" to "9,, series |
| 1974 | Prefix "24" series |
NOTE: From 1974 to present, the prefix number plus 50 will give you the year of manufacure
For Example: