A unique presentation lantern,  has the construction look of C.T. Ham, Sg&L, and Kelly, but the whole pattern design is unknown to me.
Completely unmarked frame 

Features nickel over brass frame , a no.39 sized globe that is beautifully old English font  wheel cut
ISAAC A. PERRY 
Brass no.1 flat pick wick burner.

Condition  - very good , 75%+ nickel remaining over the brass.
Presents very well.
Has one hairline split in the chimney cap. ( as pictured) 
No other visible condition issues present. 

** has not been oil tested **

** item is on consignment,  ships from PA **