Do Kroners Have Holes?

The rims of the 2- and 20-krone coins have interrupted milling. The 1-, 2- and 5-krone coins have a hole in the middle. Use of these various characteristics makes it easy for the blind and sight-impaired to tell the coins apart.

What coins have a hole in the middle?

Yen, which got me to thinking about the yen in Japan and why the coins have holes in the middle.

Why did some coins have holes?

There are a few reasons for there to be a hole in a coin. It may have been purposely defaced. It may have been holed to be nailed on a wall or door to try and receive protection from the God or ruler that is shown on the coin. It may be used for decoration or a souvenir.