In China, double happiness is the best blessing totem between a couple.This lock coin featurs the Double Happiness symbol on one side, and the Dragon and Phoenix with Love Amulet on the other.It protects matrimonial harmony between husband and wife and keeps the marriage strong. This is a perfect wedding gift for any couple getting married as it symbolizes a strong, loving and lasting marriage. Also, it is a wonderful gift for husband and wife to give to each other as a wedding anniversary present.