Hammersley & Co, English Bone China, "Lily of the Valley" Teacup and Saucer set (Stamped 4958) This is a beautiful teacup and Saucer by Hammersley & Co China England decorated with colorful Lily of the Valley flowers. Hammersley is one of England finest bone China manufacturers which started manufacturing in 1885 in North Staffordshire, England. The mark was used from 1939 on. The cup measures approx. 3" in diameter by 2 7/8" high. The saucer measures 5 5/8" in diameter.