MARK OF FREDERICK KANDLER, LONDON, 1770

The arms are those of Pitt, for George Pitt, 1st Baron Rivers (1721-1803), of Sudeley Castle, co. Gloucester. He was M.P. for Shaftesbury between 1742 and 1747 and then served as M.P. for Dorset between 1754 and 1747. He was Ambassador to the Kingdom of Sardinia from 1761 to 1769 and then to Spain from 1770 to 1771. He was created Baron Rivers of Stratfield Saye in 1776 and Baron Rivers of Sudeley Castle in 1802. His portrait by Thomas Gainsborough is now in the Cleveland Museum of Art, Cleveland, Ohio.