The "Parable of the Lost Coin" is a story told by Jesus in the New Testament of the Bible. It describes a woman who loses one of her ten silver coins. She searches her house diligently, lighting a lamp and sweeping the floor until she finds it. Upon finding the coin, she rejoices and invites her friends and neighbors to celebrate with her. The parable illustrates the joy of finding something valuable that was lost and emphasizes the importance of every individual, similar to the way God values each person.