Vintage swallow faux marcasite brooch c1940s. An Art Deco faux marcasite brooch made from pressed metal to resemble marcasite stones. This brooch is light weight and easy to wear on lighter fabrics. This vintage brooch measures 6.5cms in length and 1.5cms in width and fastens with a brass pin and open 'c' clasp. This piece is in very good vintage condition.