A very nice Muffinaire Junior Aluminum Muffin Pan with 12 mini cups. It is marked with UAP LOGO UNITED AIRCRAFT PRODUCTS, INC. DAYTON, OHIO PATENT, Muffinaire Junior and Patents 906592 and 921256, Made in U.S.A. The muffin pan measures 9 3/4 inches by 7 1/2 inches and needs a good cleaning.