Blued: British stamps printed by De Le Rue on paper showing usually faint blue color, caused by reaction between the ink and chemicals in the paper;
(Blued: British stamps; printed; by De Le Rue; L:on paper) (paper showing usually faint blue color; caused; by reaction between the ink and chemicals in the paper)
Blued: British stamps paper showing usually faint blue color
printed caused
by De Le Rue L:on paper
by reaction between the ink and chemicals in the paper