For a discussion on this rare group of wares see Alan Smith, 'An Enamelled, Tin-glazed Mug at Temple Newsam House', Leeds Art Calender, no. 28, 1978, pp. 14-19. A coffee-pot and cover from this group was sold at Christie's sale on the premises, Birr Castle, Co. Offaly, Eire, 8 October 1981, lot 527, see Jonathon Horne, Exhibition Catalogue, 'A Catalogue of Early English Pottery' (part IV), no. 85; also cf. the small mug sold in these Rooms on 12 October 1987, lot 10 and F.H. Garner and Michael Archer, op. cit., pl. 114A for a mug in the Victoria and Albert Museum