This lovely brooch is vintage circa 1950s or 1960s. It is fashioned from sterling silver and is set with a moonstone. It has the swedish marks on the back indicating it was made in or around 1955. It is also engraved on the back 25.4.60. It is also stamped G.K. The companion bracelet to this brooch is shown in the book Silver Jewelry Design from 1996 on page 214. This brooch measures 1 7/8 x 1 1/8 inches. It has the french bar style clasp and is in excellent condition.