There are many symbols of luck and good fortune around the world, but few are as well-known or as popular as the four-leaf clover. The four-leaf clover is closely associated with Irish folklore, while its cousin, the three-leaf clover, is said to have been used by Saint Patrick to teach the Irish about the Holy Trinity of Christianity. 

OBVERSE

The reverse features a real 4-leaf clover. The connection between four-leaf clovers and luck dates back to ancient Celtic cultures. The Celts believed that finding a four-leaf clover would allow them to see fairies and other supernatural beings, considered to be good luck charms.

REVERSE

Coat of Arms of the Cook Islands and the face value of 10 dollars.