Three Imari cups and saucers, Wileman & Co, Royal Crown Derby, 19th to 20th century, an 1891 Wileman & Co lobed cup and saucer, pattern 4256 (cup as found), a 1905/6 Royal Crown Derby 'Chatsworth' pattern duo, design 2826 (both as found), and a 1979/81 'Old Imari' pattern duo, design 1128, backstamps to all height 6.5 cm (cup) and smaller diameter 14.5 cm (saucer) and smaller