MARK OF EDWARD WINSLOW, BOSTON, MASSACHUSETTS, CIRCA 1710

Another identical porringer by Winslow engraved with block initials M / SE for Samuel and Esther Mulford was sold at Sotheby's, New York, 29 April 1981, lot 393, and is documented in P. Kane, Colonial Massachusetts Silversmiths and Jewelers, New Haven, 1998, p. 979.