The arms are those of Lamb. In 1740 Matthew Lamb (1705-1768) married Charlotte, daughter of the Rt. Hon. Thomas Coke of Melbourne Hall, Derbyshire, Vice Chamberlain to Queen Anne. In 1755 Matthew Lamb was created 1st baronet.
This pair of sauceboats matches another pair by Lamerie that dates to 1739 and is engraved with the arms of Lamb impaling Coke, reflecting Lamb's marriage of 1740. Both pairs sold at Christie's, London, 24 November 1971, lots 21 and 22. A set of four Lamerie waiters, dating to 1738 and engraved with the arms of Lamb, sold from the collection of Benjamin F. Edwards III, Christie's, New York, 26 January 2010, lot 163. The 1739 sauceboats are illustrated in Timothy Schroder, The National Trust Book of English Domestic Silver, 1988, p. 197.