Drawing depicting: Astur sp.?, Finished drawing of two birds; completely different markings from any otherwise similar bird published in Aust. On reverse "Australian Goshawk / [Piccadilly notes 9] 780 / 7/7/- / [Piccadilly notes 22] 2608." Watermarked "J Whatman / 1837." Previously cited as GS16 or 16GS and so marked in pencil on reverse.