Hobbs Opalescent White Spots are called "Inverted Thumbprints" on top of the the Blue Glass Fount, over the Very Rare "Detroit" End of Day Glass Base ! Hobbs advertised pattern Circa 1891 before joining the U.S. Glass Co. merger.
Near Mint #2 Embossed Burner with marked Thumbwheel : "P.& A. Co. * Pat. 1-16-88 & 8-7-97 " (Plume & Atwood Co.)
Mint unused #2 Medium Petal Top Chimney !
Lamp alone Stands 9 1/4 inches High to top of brass Collar, and Overall 18 1/2 inches to top of chimney. Base is 5 inches in Diameter.
Weighs 2 Pounds, and 10.0 Ounces complete.
Condition ; Glass Fount is Mint, BUT the Detroit Base a couple of stable Burst Air bubbles at the bottom rim,and 1 flea bite. See photo of bottom at 12 & 5 o'clock positions. No Glass Cracks, Fractures, or Heat Checks. Burst air bubbles happened during production of glass inside the molds and is considered a stable imperfection since it won't get worse or travel like a crack will.
(suggested book price $500.00)
Burner has been cleaned or Buffed. See All Photos.
Inverted Thumbprint & Detroit Base found in Book Ref. :
"Oil Lamps" Volume 1
By : Thuro
Pages : 310
illustration : (a)
Another "Detroit" Base in Clear Glass found in Book Ref. :
"Oil Lamps" Volume 2
By : Thuro
Pages : 89
illustration : (g)
See my other Opalescent Glass Oil Lamps ! You can buy my lamps with Confidence. Without any unknown Problems with Auction Descriptions,No High Packing & Shipping Fees & No Buyer's Premiums. 3 Day Inspection Policy. You get what you pay for with Antique Investments.