• 7012 - Frakking - October 1956 (est)
  • 7013 - Veenstra - October 1956 (est)
  • 7014 - Kuysen - October 1956 (est)
  • 7015 - Loeks - October 1956 (est)
  • 7016 - Breeman - October 1956 (est)
  • 7017 - Tijhuis - October 1956 (est)