1920's The Master Mfg. Co. Litchfield Ill. Patented Sept 14, 1926.
Screw on Metal Oil Bottle Spout.
It Measures 5 1/4" Tall x 2 7/8" Wide.

PLEASE NOTE:
I Have 2 Identical Spouts for Sale, They're Being Sold Individually.
The Bottles are Not Part of the Sale.