Yale and Towne Post Office Box Key
This is a Yale and Towne key that folds on a hinge. It was likely used as a lock out key for a post office box. It is marked “Stamford Yale & Towne Conn. U.S.A. MFG. CO.”
The reverse of the key:
Antique Yale and Towne Post Office Box Spring Key
This is a Yale and Towne key that folds on a hinge. It was likely used as a lock out key for a post office box. It is marked “Stamford Yale & Towne Conn. U.S.A. MFG. CO.”
The reverse of the key: