- 8074 - Soetekouw - May 1968 (est)
- 8075 - Peters - May 1968 (est)
- 8076 - Kallenberg - May 1968 (est)
- 8077 - Mater - May 1968 (est)
- 8078 - Bijlsma - May 1968 (est)
- 8079 - Di...? - May 1968 (est)
- 8080 - de Boer - May 1968 (est)
- 8081 - Hill, Norman - May 1968 (est) - British 6-day and track racer 1966-1973
- 8082 - Tijssen - May 1968 (est)
- 8083 - Rouw - May 1968 (est)
- 8084 - Cornelisse - May 1968 (est) - purchased during Henk Cornelisse's career 1962-1970…may be his?
