Attractive vintage 1950s large aurora borealis diamante brooch

This fabulous, quality brooch has a wonderful flower design. Made from pierced metal with a goldtone finish, it is adorned with shimmering aurora borealis faceted glass stones. The stones reflect beautiful rainbow colours in accordance with the light. The open-back set stones are all silver foil backed. Brooch has a pin & roll-over fastener on the reverse and weighs approx 22g