729709 Thigh bone of the mammoth (engraving) by English School, (19th century); Private Collection; (add.info.: Thigh bone of the mammoth, the largest ever seen, in the collection of Dr Lettsom, alongside a portrait of a lady, near Oporto, at 19 years of age, only 26 inches high. Published in the New Wonderful Museum and Extraordinary Magazine, March 1807.); Look and Learn / Valerie Jackson Harris Collection; English, out of copyright.