Wedgewood Jasperware - Blue and White Pin Dish - lovely collection of wedgwood blue jasperware 3x trinket box 1 lidded jar and 1 bud vase all in very good condition no chips or cracks. William Hackwood was his chief in-house modeller, who was sometimes allowed to initial pieces. The original edition was of 50 copies; in 1838 a further edition was cast in one piece, with the background then painted. AU $11.10 postage. [6], Named after the mineral jasper for marketing reasons, the exact Wedgwood formula remains confidential, but analyses indicate that barium sulphate is a key ingredient. June'04. Contact us with any questions. Wedgwood Blue and White Jasperware, Princess Diana, Royal Wedding , Plate wall decor, Fine China