Vintage HELLMANN'S MAYONNAISE General Foods Old Glass Advertising Jar W/ Lid 1930's.  Bubbles in the glass top has some staining may be able to clean it off.  Measures 3 1/4 tall and 2 across the bottom.  Verbiage on the top says "To Reuse this jar and cap for home preserving write General Foods Battle Creek, Mich, for rubber ring discs no 48 at 1 'cent' each."  No cracks or chips that I can find.