The Sigma Sigma Sigma Sorority Coffee Mug from the Spring Formal of '59 Balfour is a collectible item that holds historical significance for members of the fraternity and sorority organization. This unique piece serves as a nostalgic keepsake for those who were part of the sorority during that time, allowing them to reminisce about their experiences and the traditions of the organization. The mug is a tangible reminder of the sorority's history and can be cherished by members for years to come.