This "ice cup" also know as a pot de creme cup is a reproduction produced by the Wedgwood company in 1996. The enscription on the bottom of the cup reads:
"Wedgwood, Queen's Ware, Genius Collection. "Views at Richmond and of a ruined castle". After an original ice cup from the "Frog Service" commissioned by Catherine II of Russia, 1773-4 in a limited edition of 4000. Made in England, Wedgwood 1996."