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repro proof

noun
re·​pro proof | \ˈrē(ˌ)prō\
variants: or repro or reproduction proof
plural -s

Definition of repro proof 

: a clean sharp proof made especially from a letterpress printing surface to serve as photographic copy for a printing plate (as for letterpress, offset, or gravure)

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History and Etymology for repro proof

repro short for reproduction

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