Cf. the pair from the collection of the late Samuel Messer Esq., sold in these Rooms on 16 November 1992, lot 69. Another pair was sold in these Rooms, 5 December 1994, lot 45; these are illustrated by Margaret Legge, A Survey of Chelsea Porcelain 1745-1769 (1984), col. pl. 65, no. 145 and were also exhibited in 'Flowers and Fables, A Survey of Chelsea Porcelain', National Gallery of Victoria, Melbourne, November 1984 - February 1985, no. 145. For the group of Winter and Spring see Yvonne Hackenbroch, Chelsea and other English Porcelain, Pottery and Enamels in the Irwin Untermyer Collection (1957), pl. 36.