May 24, 2012 – Norges Bank decided in March 2011 that the 50-øre coin will be withdrawn from circulation and is no longer be legal tender as since 1 May 2012.
At end-March 2012 the number of 50-øre coins in circulation was about 370 million. After 1 May 2012, 50-øre coins will only be redeemable at Norges Bank. Norges Bank is obligated to redeem these coins for a further 10 years.
The withdrawal of the 50-øre coin means than the øre designation will no longer feature on Norwegian coins as from 1 May 2012. Cash payments after that date will be rounded up or down to the nearest krone.
Quelle: Eduardo / Wikipedia.
The 50-øre coin in circulation today was issued on 16 September 1996. The royal crown features on the obverse of this coin. The reverse features a mythical animal from Urnes stave church in Luster municipality in western Norway and was designed by Polish-born Grazyna Jolanta Lindau.
Further information offers the Norges Bank.
If 50-øre coin is part of you collecting interests you might want to read this article on date errors on 50-øre coins.