Cook Islands issued a colored silver 5 dollars coin holding a piece of the Muonionalusta iron meteorite.
The obverse of this silver medal shows a lake shore in the night above it a brilliant yellow-red fireball. Above the fireball a small piece of iron meteorite Muonionalusta is attached. Legend is: "MUONIONALUSTA IRON METEORITE", and date below 2011.
The reverse follows the usual design of Cook Islands coins, the portrait of Queen Elizabeth II, and the face value of the coin: "5 DOLLARS". The coin has a 38.61 mm diameter, 20 gram weight. It was made of 925 fine silver with proof technique and was minted in 2500 pcs., according to its certificate.