Berger Mfg. Canton,  Ohio
Model is the No.0 Apex 
Unstamped and only Marked
 C.G.E.L. & P. CO.
CONSOLIDATED GAS ELECTRIC POWER & LIGHT COMPANY
Very rare to find a contractor company marking ( this is the only Berger marked one i've seen)
Globe is cast BERGER with a strong cast

Condition - excellent, clean smooth tin with   polished brass accent parts.
Small dime dents in the left tube , and fount edge.
Frame has been oil finished.
New wick installed.

No visible condition  issues present  

** has not been  oil  tested **