Postage stamp photo gallery - Lin Yangchen
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GB QEII Machin definitives

GB QEII Machin definitives

Plotted according to the three dimensions of colour theory—hue, saturation and luminosity—and projected on a two-dimensional plane. Any two horizontally or vertically adjacent stamps represent the minimal available gradation along one or more of those dimensions. ©Lin Yangchen

postage stampphilatelyQEIIqueen elizabeth iimachin definitiverainbowcolourGBroyal mailstamp albumstamp collectingphotophilately