City of London Crest Blue Jasperware 3-Handled Cup Marked Adams Tunstall England

Blue Jasperware 3-Handled Cup Marked ADAMS ESTBS 1657 Tunstall England. The City of London Crest features 2 Fantasy Dragons next to a shield/pedestal. This 2” tall cup was on display at The Dragon Dreams Museum in Chattanooga, TN, which closed permanently in 2016. I have just recently purchased the contents.