Tag Archive: de la rue

Sep 27

Interesting Inks — Weekly Feature #368

WF368

Philatelists pursue some quite arcane byways. One of these is the difficult and often subjective topic of describing and differentiating colours. This week we offer a clue to the colour ultramarine. It comes from an archival page believed to be from the De La Rue printing firm. It is the top quarter of a ledger …

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