Beautiful Antique Blue Oil Lamp has a Fish Scale Pattern Base. The font is blue glass with no pattern.
The burner is by Eagle and the knob on the burner says P&A (Plume and Atwood). The glass part of the lamp from base to top of collar is 7 3/4 inches. The base is 5 3/8 inches in diameter. Comes with a clear chimney which has a minor chip on the base but still looks nice and is quite useable. Base to top of chimney is 16 1/4 inches.