Scottish Silver Iona Sea Serpant VERY LARGE Brooch Celtic Art Industies 1960s

This is an attractive LARGE Iona silver sea serpant brooch from Scotland - in super condition with detailed design with locking clasp showing in photos 1 to 6 and another earlier brooch with "C" clasp as hown in photos 7 to 12 - this is the larger version at approx. Size 56mms x 36mms weiging approx 9.5 grams - stamped "CAI" as made by Celtic Art Industries founded by Hamish Dawsn Bowman on Iona with Iain MacCormack and John Hart - also stamped "Sterling", "Iona" and "Scotland". Listing is for one brooch only.