The product is a 1/10 10K gold filled Sigma Theta Tau nursing sorority pin badge. This pin badge represents the Sigma Theta Tau organization, which is a professional nursing sorority in the United States. It is a collectible item that is associated with fraternal organizations like fraternities and sororities, making it a meaningful piece for members of the sorority or those interested in historical memorabilia related to this prestigious organization. Marked on the back 1/10 10k