This hard to find Square Wear-Ever Aluminum Angel Food Cake Pan comes in two pieces for ease in removing the cake. The bottom is marked "No. 2740, Wear-Ever, Aluminum in a seal with the letters TAC UCO, Trade Mark, Made in U.S.A., and 9 x 9 x 4 1/8. The angel food pan does need some cleaning but will make an excellent addition to your collection.
Square Aluminum Angel Food Cake Pan by Wear-Ever