LARGE Shetland Silver St. Ninians Brooch h/m Edinburgh 1975/77/83/88 Scottish

This is a vintage VERY LARGE sterling silver St. Ninians Isle brooch from Shetland Islands , Scotland - in good condition - size is 54mms x 50mms approx. Four brooches available fully hallmarked for Edinburgh 1975, 1977, 1983 and 1988 weighing approx 19/20 grams. Made by Shetland Silver and stamped "SS" makers mark.