Vintage WOLF MINER FLAME SAFETY LAMP CO. of America Inc. Has tag on the front:  Wolf Safety Lamp Co. of America, Inc., New York, USA.  Above that is listed:  Wolf Lamp Pat. No. 302878.322514.453456.497699.509418 MADE IN GERMANY.  The lamp is brass but appears to have been painted by previous owner.  Has top hook, glass flame cover, two steel bonnets with gasket.  

Measures 11-1/2" high with handle down and 14" high with handle up.  It is 3-3/8" in diameter and weighs 3 pounds 4 ounces unpackaged.

The lamp appears to be complete but not totally sure.  It has NOT been tested for workability.  The glass is intact.  The outside of the lamp has been painted and there is wear noted.  Being sold "AS IS."