This is a pair of vintage Eversharp Schick injector safety razors with a early plastic handles. one is navy the other Ivory.

It is marked Eversharp Schick, U.S. PAT 180608  196994

"Insert Key" in caps with an arrow.

On the left underside "MADE IN USA" very small.

 It has gold tones on the metal and the plastic handle is simulated ivory, but the navy one is in nicer shape. Both have a razor blade in them ( Sharpe!)

 They are about 3.7" in length.  They use a single edge blade, again caution they are still in the razor. Nice used condition.  See the photos. Sold " as is " Used.