That's St. Wencelas -- the Duke of Bohemia in the 10th century -- riding his horse. The image on the coin is from a famous statue in Wencelas Square in Prague.
This coin was first minted in 1993.
All coin images in Daniel's Coin Zoo are from my personal collection. I collect, research, and personally photograph every coin displayed on this site. PLEASE do not take my images without permission. If you would like to use any coin image you see, just ask me. Thank you.