Probably produced at Tiffany Furnaces (Corona, NY, after 1892). These scarce lamp parts are from gas lights and small oil lamps.
Attributed to Tiffany Studios
(New York, New York, 1878-1933) | Founder(s): Louis Comfort Tiffany (American, 1848-1933)
Late 19th/early 20th century
Width 1.25 Depth 1.25 Height 5 inches
Fitter: Width 0.875 Height 1 inches
Note: chips (fitter).