A late 17th century silver two-handled porringer

A late 17th century silver two-handled porringer,

marks worn, maker's mark ?C with a crown above, possibly London 1689,

circular form, scroll handles embossed acanthus leaf decoration, prick-dot initialled 'O' over 'R.I' over 'W.T' over '1693', height 7cm, approx. weight 4oz.

Provenance:

From The Collection of the late Piers Eric Norwood.