| 1971 | e MacNamara CSB 175, NPS 4259 | - Kithurst Dawn Pride NPS 14681 |
| 1973 | e MacNamara CSB 175, NPS 4259 | - Cefnymynach Murrymint NPS 15807 |
| 1974 | e Sean of Leam CSB 96, NPS 3723 | - Cefnymynach Honey Bee NPS 16013 |
| 1975 | e Lismore Sobranie CSB 543, NPS 6156 | - Cefnymynach Phinneas Finn NPS G 1023 |