Alexander Ritchie Design Iona Celtic Sword by AH Darby & Sons. This is an designed Alexander Ritchie model of a sword, these sword designs were made into brooches by AH Darby & Sons from approx the 1940's. This is plain on one side and has never been made into a brooch which is rare. Excellent condition. It is hallmarked on the rear with the makers mark "A.H.D&S" for "AH Darby & Sons" and "SILVER". It is approx. 7.2 cm in length. Weighs 6.1 grams.