What is a proof?
What is a proof? A proof is an impression of a print printed before the regular, published edition of the print, making them often rarer. There are several different types of proof in printing: A trial or working proof ; a test to see what work the artist needs to do to the plate. For example: [This View of the Royal Dock Yard at Chatham...PROOF . ] [Painted by R. Paton, the Figures by J. Mortimer. [right] Engraved by P.C. Canot.] [R. Paton, Wardour Street., Soho, London, 14 February 1775. ] Rare etching, working proof from the unfinished plate, laid paper. Image 450 x 650mm (17¾ x 25½"). Trimmed within plate, and to image on three sides. Centrefold crease and nicks to extremities. An interesting progress proof impression, before the plate was engraved with fine detail. The published state carries the following full title and inscription "TO THE King's most Excellent Majesty, This View of the Royal...