This is a 10 inch replacement lid for vintage Revere Ware copper clad stainless steel cookware. It fits the 10 inch skillet and the 6 quart stockpot, and other Revere Ware pieces with a rim measurement between 9-7/8 and 10-1/8 inches diameter.The interior lip-to-lip measurement is 9-3/4". There are some typical minor storage marks, a very small, shallow crease, and a nick to the edge of the black Bakelite knob, none of which affect performance or fit.