Great Britain

Colour Trials

When planning a stamp issue, many factors have to be considered (not least UPU regulations). Colour is, of course, one of the main variables. It is all very well to compare colour samples laid out on a table, but there is no substitute for seeing what a projected design would look like in various colours when actually printed. Colour trials were created to solve this so that impressions could be taken from the original die for comparison purposes, very often of the same value (so that there would be a level playing field) for the approval of the authorities. As such, stamp proofs may often be found in unissued colours, perforated or imperforate.

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GB 1840 SGDP20b Mint

Stock Code: P10105660X

GB 1906 SG219var Colour Trial

Stock Code: P14508019

GB 1878 SG128var Essay

Stock Code: P14515632

GB 1903 SG. Essay

Stock Code: P14508089X

GB 1911 SG249var Essay

Stock Code: P14508128

GB 1876 SG156var Pl.1 Specimen

Stock Code: P12301417

GB 1881 SG166var Mint

Stock Code: P12303393X