The mugs as well as the T-shirts are dedicated to the visit of Kancho Yoshikazu Matsushima, Mrs. Mikiko Matsushima and Hanshi John Taylor to Croatia in 2011.
What it looked like then you can see in the photo album on FB page Karate Kyokushinkai Croatia on: https://www.facebook.com/media/set?vanity=karate.kyokushinkai.5&set=a.142120972803153