A rare late 17th century provincial silver trefid spoon

A rare late 17th century provincial silver trefid spoon, by William Ramsay, Newcastle circa 1685, the oval bowl with a plain rat-tail, the reverse of the terminal scratch initialled 'S' over 'RA', length 18.9cm, approx. weight 1.5oz. for maker's mark see Jacksons, Ian Pickford Edition, 2002, page 492.