Vintage Celtic style dragon and faux marbled agate and red gem set brooch manufactured under the trade name Miracle by A Hill and company Ltd. The brooch is set with a large marbled glass faux agate cabochon to its center, with Celtic style dragons set above and beneath, bordered by two further faux agate cabochons and red triangular glass slices. Circa 1970's - 80's. Signed Miracle to the back of the brooch.