RARE VINTAGE OVERLAY GREEN OVER WHITE 4 INCH OIL-ELECTRIC STUDENT LAMP SHADE.THIS SHADE MEASURES 3 7/8 INCHES ACROSS THE BASE AND 4 INCHES TALL.THE TOP CROWN MEASURES 2 1/2 INCH WIDE AND IS FREE OF CRACKS.PLEASE VIEW THE MANY PHOTOS AND ALWAYS BE FREE TO ASK QUESTIONS.THANK YOU