I have only put the relevant certification here. These are the highest grades in each of the four systems in which I have black belts. I start with my valid insurance, then they are placed in descending order.
15th May 2012 – 8th Dan Kyokushin Budokai
10th July 1995 – 4th Dan Ashihara Karate
8th April 1988 – 3rd Dan Tsuyoi Ryu Karate
14th November 1982 – 1st Dan Wado Ryu Karate