R.E. Dietz Co
No.15 side lamp 
Features, brass No.1 cone and burner marked S.G.& L. & Dietz Co. 
Early 6.5 tall Dietz 0 tubular globe with an Amethyst tint.
5-1/4 in diameter mercuryreflector 

Condition, - excellent, the tin on this pieceis incredible, near 75% Remaining.
As good as its gonna get for a barn fresh find.
2 small pin holes were soldered nicely ( pointed out with arrows)
Most likely from a wick holding moisture and touching  the fount.
No visible rusting or  pitting present.
No other visible condition issues.

** has not been oil tested**

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