A William and Mary provincial silver Trefid spoon

A William and Mary provincial silver Trefid spoon,

marked twice to the stem with a rose, and ocne with a goblet in a heart shaped punch with two pellets either side, attributed to Southampton, circa 1690,

the oval bowl with a raised rat-tail, the reverse of the terminal with prick dot initials 'DS' over '1690' over 'E.H', length 18.4cm, approx. weight 1oz.