This is stamped with 925 for sterling silver and the design was made famous by Pat Cheney using John Ditchfield glass - also stamped with makers mark "PPC". The glass is a solid colour when lifted to the light - this is one of several designs to incorporate birds.The item "Scottish Silver Brooch Pat Cheney / John Ditchfield Glass Flying Geese 1980s" is in sale since Monday, March 23, 2020. This item is in the category "Jewellery & Watches\Fine Jewellery\Brooches & Pins". The seller is "alansbitsandbobs" and is located in Norh West England. This item can be shipped worldwide.