lead. 13th century AD. large fleur-de-lis on front. A vesica seal is a medieval seal with a pointed oval shape that was commonly used by ecclesiastics and women. The central design of a vesica seal often featured a standing figure, such as the owner or a saint. The seal's border would contain a legend that usually began with an initial cross. Bronze ones were owned by wealthier women - lead was for more common people. almost 1 1/2" long. can drill and add ring if you like.