Antique Vaseline Opalescent Victorian Oil Lamp Shade 4 Fitter Art Glass Gas

This is an Antique Vaseline Opalescent Victorian Oil Lamp Shade 4 Fitter Art Glass Gas It's unusual with hobnail pattern. It measures about 5.25" tall, 8" diameter overall and is about 4 fitter at the base.

It has minor ruffness at the base.