The lovely shamrock is such a strong symbol of St. Patrick's Day. I am sharing some images of a few of my St. Pat's postcards to enjoy.
Here is a factoid to share or you could just think it sounds like a pretty good explanation. The Druids, or Celtic priests, declared the four leaf clover as a potent Celtic charm against evil spirits. Therefore, it is considered Lucky to this day. 
The four leafs stand for Faith, Hope, Love and Luck. Just thought you'd like to know. 
