- 7361- Groen - September 1961 (est) - baan (track) - Tiemen Groen? 5 time world champion on a RIH SPORT
- 7362 - de Graaf - September 1961 (est) - baan (track)
- 7363 - Stolker - September 1961 (est) - baan (track)
- 7364 - Vrauwdeunt - September 1961 (est)
- 7365 - Ingen - September 1961 (est)
- 7366 - Rous - September 1961 (est)
- 7367 - Speek - September 1961 (est)
