"Postage Stamp" size Brass Frame with 4 Oval Openings, each approximately 11/16" X 1". Overall it measures 4 1/8" X 1 1/2", and is approximately 1/4" thick. The outer edge of the frame, and each oval opening has a beveled edge. Horizontal frames are not easy to find, and this many openings are uncommon. The original gold-plated finish shows some wear from age, but overall it is in very good condition. Dates circa 1910-20. Please see RL185-10 which has 3 openings. You simply "push" out the back by gently applying pressure with your thumbs over the oval openings.