Cf. Lawrence Branyan, Neal French and John Sandon, Worcester Blue and White Porcelain 1751-1790, p. 61, pl. I.A.20. A spoon-tray of this pattern from the Rous Lench Collection was sold in these Rooms on 29 May 1990, lot 228 and for other teawares of this pattern see Simon Spero, Worcester Porcelain, The Klepser Collection, p. 173, no. 203, Franklin A. Barrett, Worcester Porcelain and Lund's Bristol, pl. 43B and Bernard Watney, English Blue and White Porcelain of the 18th Century, pl. 35D