Jasperware was matte finish pottery product (some refer to it as porcelain) developed by Josiah Wedgwood and used to imitate onyx or sardonyx in that it had a background color (usually blue, but not always) with the white design in relief.

Jasperware Markings

Prior to 1860Wedgwood
1860 – 1891Three Letters: Month, Potter, Year
1891 – 1908Wedgwood


(stamped separately)
1908 – 1969Wedgwood

Made in England

(stamped separately)
1970 – PresentWedgwood Made in England