THIS IS A VINTAGE ETCHED AND CUT FROSTED GLASS SHADE FOR A OIL OR A KEROSENE GASLAMP.

THERE ARE BRASS LINKS AROUND THE INSIDE RIM OF THE OIL LAMP SHADE.

THE ETCHED AND CUT FROSTED GLASS SHADE IS PRE 1914 MAGNESIUM GLASS.

IF LEFT IN THE SUNLIGHT THE GLASS WILL TURN PURPLE.

MEASURES 3 INCHES IN HEIGHT, 2 1/8 INCHES IN OUTSIDE DIAMETER AT THE TOP AND 6 INCHES IN OUTSIDE DIAMETER AT THE BOTTOM RIM.

CAME FROM A SMOKE-FREE HOME.

THANK YOU VERY MUCH.