Art Term

Proof

Proof is a printing term applied to all individual impressions made before work on a printing plate or block is completed, in order to check progress of the image

Richard Hamilton, ‘Stage Proof 18’ 1972
Richard Hamilton
Stage Proof 18 1972
Tate
© The estate of Richard Hamilton
Leon Kossoff, ‘Going Home [stage proof]’ 1979–84
Leon Kossoff
Going Home [stage proof] 1979–84
Tate
© Leon Kossoff
Sir Eduardo Paolozzi, ‘[no title: trial proof for Conditional Probability Machine]’ 1970
Sir Eduardo Paolozzi
[no title: trial proof for Conditional Probability Machine] 1970
Tate
© The Eduardo Paolozzi Foundation

Also referred to as ‘trial proof’ or ‘colour trial proof’. This should not be confused with the terms artist’s proof (AP) and printer’s proof (PP) which are impressions of the finished print made in addition to the published edition for the artist or printer.