- 6968 - Niemeijer - February 1956 (est)
- 6969 - Tilburgs - February 1956 (est)
- 6970 - van Boven - February 1956 (est)
- 6971 - Boogaard - February 1956 (est)
- 6972 - Moerman ? - February 1956 (est)
- 6973 - Bos - February 1956 (est)
- 6974 - Schotman - February 1956 (est)
- 6981 - Seraijen ? - April 1956 (est)
- 6982 - Mertens - April 1956 (est)
