Sterling Silver S Pin Brooch – Possibly ST or SI?

Formed in the shape of a stylized letter “S,” this pin features a rectangular bar running vertically through the center of the design. The overall look is clean and geometric, with the silver construction emphasizing the letterform.

The exact meaning of the “S” design is unknown and may represent initials for a school, organization, or company. The piece is made of sterling silver. Pin measures approximately 1/2 inch in width by 1/2 inch in height.

Condition: Used with scuff/scratch marks, age related tarnish/corrosion, etc. Please review all photos for exact condition of item and size.