Margaret botany, Francesco Bartolozzi

Original caption: "portrait of her majesty/ patroness of botany, and of the fine arts/ london. Published jany. 1,1799, by dr. Thornton, duke street, grosvenor square. " left: "sir w. Beechy r. A. Pinx. Ad viv. " right: "f. Bartolozzi r. A. Ornax. Et sculp. ".