Design for a Tablet for a Chimney-Piece with Two Swans in Combat, Enclosed within a Scrolling Cartouche with a Water-Spouting Dragon's Head, 1762, Crayon manner and stipple engraving, sheet: 8 x 13 1/16 in. (20. 3 x 33. 2 cm), Prints, Thomas Johnson (British, 1714?1778), Thomas Johnson was an important master carver of Rococo ornament in London during the 1750s and 1760s. This design represents courting swans near crumbling masonry and is contained within a swooping frame adorned with leaves and a spouting dragon