The Estate Solid 10K Gold Lota, Lambda and Sigma Pin is a highly valuable and collectible item for members of fraternities and sororities. Made of solid 10K gold, this pin features the symbols of Lota, Lambda, and Sigma, representing a sense of pride and unity within the organization. As a piece of historical memorabilia, this pin holds significance to those who were part of these fraternal organizations and serves as a reminder of the values and traditions upheld by the members.