7562 - Marinus - March 1964 (est) - Henny Marinus? 1964 stayer national champ; born and raised in the Jordaan
7563 - Akerboom - March 1964 (est)
7564 - Bodnicks - March 1964 (est)
7777 - Moskwin - March 1964 (est) - this number seems to be given away twice also in April 1966 to van der Donk. Likely because it has four 7's. Is Moskwin Russian (Russia, Rusland)?
