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Giovanni Battista Piranesi
Prisoners on a projecting platform (mid 1760s-early 1770s)
etching, engraving, sulphur tint or open bite and burnishing
41.4 × 54.9 cm (plate) 56.2 × 80.7 cm (sheet)
National Gallery of Victoria, Melbourne
Felton Bequest, 1921
Photo: National Gallery of Victoria, Melbourne

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