Antique store Edison Light Bulb Safety Wire Cage 'Rat Trap' Rare Early Electric Lightbulb Mine Basement Vintage Industrial Gas Tip Loop Filament

Wire Cage Dia 3.25 x H 5 in.

Rare and hard to find item. The cage is in functioning order. Free and Included; are the Lightbulb and Socket, bulb not tested, the filament of bulb looks good, but there is a stress fracture in the neck of the glass, this may have leaked air?