| Jean Baptiste Corot Le Songeur [The Dreamer] 1854 Salt paper print, from a cliché-verre glass plate 14.8 x 19.3 cm The Romantic Agony Book & Print Auctions Auction 19 June 2015, Lot: 56 LL/60179 Sunlight passes through the plate’s etched lines and leaves a dark impression on the paper, transferring the image.
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