This a clean cured mid century Findlay No 9 cast iron frying pan that is in excellent used condition. The company was established in 1862 and operated until 1974. This frying pan was produced between 1965 and 1974. There appears to be a faint ghost mark in the middle. Pan portion of the skillet is 10.5" in diameter. https://www.castironcollector.com/canadian.php