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 three-leaf cousin was reportedly used by Saint Patrick to teach the Irish about Christianity's Holy Trinity. 

OBVERSE

The reverse contains 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

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