Four proof plates before letters from Cook's third voyage. Four proof plates before letters being early states of images from Cook's last voyage, showing scenes in Hawai'i, Tahiti, New Zealand and Alaska. The attributions given on the prints give an indication to the many collaborators who worked with Webber to bring copies of the numerous drawings which he made on the Third Voyage to the general public. Benjamin Thomas Pouncy was an etcher and line engraver best regarded for his landscapes and topographical views. He trained under his father but his finest work was under the direction of his brother-in-law William Woollett, who worked with Webber on aquatints (see A Human Sacrifice...).

Four fine engravings, all before letters, each with two old vertical folds: The Inside of a Hippah... 262 x 405mm (plate size), trimmed to plate edge at sides, titled in pencil in lower margin, 'Drawn from Nature by J. Webber... Etch'd by B.T. Pouncy'; A Human Sacrifice... 285 x 490mm (plate size), trimmed to plate at lower edge, titled in ink beneath image, 'J. Webber del.... W. Woollett aqua fortis fecit'; Tereoboo, King of Owyhee... 258 x 398mm (plate size), titled in ink beneath image, 'Drawn from Nature by J. Webber... Engraved by B.T. Pouncy'; Inhabitants of Norton Sound... 254 x 398mm (plate size), titled in ink beneath the image.