Patented September 1, 1931

If an object in your hands says PAT. SEPTEMBER 1, 1931, it may be one of these.

Patent	Title	Inventor	Of
US 1,821,233	REJECTION MEANS FOR PERFORATED COINS	James E. Olvis	Los Angeles, California
US 1,821,357	COIN TESTING DEVICE	Clifton W. Nixon	New York, New York

All dates