letterlust:
Dutch stayer Piet de Wit and pacer Noppie Koch World Championship 1966
letterlust:
World Championship 1967: Koch De Wit (1)
letterlust:
Nop Koch 1967
letterlust:
World Championship 1967: Koch De Wit (2)
letterlust:
Once a stayer, now a pacer: Noppie Koch
letterlust:
Later winner Cor de Best has lost contact with his pacer Norbert Koch - Juni 1953