Shamrock Egg

The Shamrock Egg is a type of Mystery Egg.

Chicken Coop
It may be found when a harvesting a Chicken Coop that contains chickens that lay Shamrock eggs. If the coop is on a farmer's own farm, only neighbors can receive the egg. If the egg is on a neighbor's farm, the farmer is awarded with an egg in his gift box and may also post an egg for sharing.