Signed "Smith & Co." American Pewter Whale Oil Lamp produced in Boston,Mass. between 1847 to 1849 !
Conical Form on Saucer base Pewter Finger Lamp.
This form of lamp has also been nicknamed a "Witches Hat".
See Ref. Book : American & British Pewter Edited by John Carl Thomas From: Antiques Magazine Library Page 123 Smith & Co. Partners were Smith, White , and Ober until 1849 .
Later merged in 1853 to become Morey & Ober.
Matching lamp illustrated on page 124 Figure #5, the 2nd lamp from left in photo.Shown with a Camphene burner.
Also see exact Touch Mark book ref.: American Pewter By : J.B. Kerfoot page 322 .
Measures 3 1/4 inches from base to top of lamp. Has it's small twin tube whale oil burner intact ! Unpolished with No Holes , but Normal Dents and Dings for a 160 years of age.
(Ignore wrong attribution "Conn. Post 1825" sticker underneath lamp) An 1848 factory advertisement puts Smith & Co. Directly in Boston,Mass.