
Richard Hamilton
Stage Proof 18
(1972)
Tate

Leon Kossoff
Going Home [stage proof]
(1979–84)
Tate

Sir Eduardo Paolozzi
[no title: trial proof for Conditional Probability Machine]
(1970)
Tate
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.
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