The TT Assen motorcycle races have been held continuously since 1925, making the Dutch TT one of the longest-running motorsport events in the world and the only Grand Prix circuit never to have left the MotoGP calendar. The centenary falling in 2025 prompted this commemorative issue.
The TT Assen motorcycle races have been held continuously since 1925, making the Dutch TT one of the longest-running motorsport events in the world and the only Grand Prix circuit never to have left the MotoGP calendar. The centenary falling in 2025 prompted this commemorative issue.