Pre 101692 days
| Year | 50170 | 50253 |
| 1957 | 56G (Darlington) | 51A (Darlington) |
| 1965 | Darlington | Darlington |
| 1972 | Darlington | Darlington |
| 1973 | Darlington | Darlington |
| 1976 | Darlington | Hull |
| 1978 | Darlington | Hull |
| 1981 | Darlington | Heaton |
| 1982 | Darlington | Heaton |
| 1983 | Darlington | Heaton |
| 1984 | Darlington | Heaton |
| 1985 | Heaton | Heaton |
| 1986 | Norwich | Heaton |
| 1987 | Norwich | Hull |
| 1988 | Norwich | Haymarket |
| 1989 | Norwich | Haymarket |
| 1990 | Norwich | Chester |
| 1991 | Norwich | Laira |
| 1992 | Norwich | Laira |
| by June | Haymarket... | as set 101692 |