Of tapering cylindrical form upon a spreading domed foot, the bayonet fitted cylindrical and domed lid surmounted by an acorn form finial, with pierced decoration in a diaper pattern. Engraved underneath with contemporaneous initials I M over BB in Roman script. Fully marked underneath. Height - 14.5 cm / 5.75 inchesWeight - 155 grams / 4.98 oztNotes:Dietert and Dietert in Compendium of Scottish Silver (2006) record the earliest caster listed as 1684, there are thirty-two entries of single casters or sets before 1714, where three are given for 1714, all of pyriform style. This caster is not previously recorded. A caster of 1708 by Robert Bruce would appear to be the last recorded cylindrical model until the present lot emerged. Collection of the National Museum of Scotland (H.MEQ 1562). A set of three casters by this maker of 1706 was sold Christie’s New York, 21 May 2013, lot 183 ($8750 incl. prem)