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John D Gills Sons Star Brass LSide
John D Gills Sons Copper on L and Brass on R
Keystone Brass LSide
Keystone Brass LSide Open
Keystone Brass RSide
  Keystone Brass RSide Open.JPG - KEYSTONE OIL & SUPPLY CO - Hard to find brass face lamp, marked on font in multiple triangles K O & S Co. PITTSBURGH for the Keystone Oil and Supply Company, made by Trethaway Bros. for Keystone, 2 3/8 in. tall to lid, 1 5/8 in. base dia., 2 1/2 in. double spout with neat disk boot kick, Keystone Oil and Supply Co. is listed an active corporation in Allegheny Co Pittsburgh PA with a January 1, 1907 incorporation date; otherwise very little is known about the company, unfired condition, ex-Bob Guthrie collection  
Keystone Brass Marking
Koch Patent RSide
Koch Patent Marking
Koch Patent LSide
IMG_2115

Keystone Brass RSide Open | KEYSTONE OIL & SUPPLY CO - Hard to find brass face lamp, marked on font in multiple triangles K O & S Co. PITTSBURGH for the Keystone Oil and Supply Company, made by Trethaway Bros. for Keystone, 2 3/8 in. tall to lid, 1 5/8 in. base dia., 2 1/2 in. double spout with neat disk boot kick, Keystone Oil and Supply Co. is listed an active corporation in Allegheny Co Pittsburgh PA with a January 1, 1907 incorporation date; otherwise very little is known about the company, unfired condition, ex-Bob Guthrie collection Download Original Image
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