Penny Blue Penny Blue The Penny Blue is frequently mistaken for a postage stamp of Britain. It is from a series of proof impressions which were made at the time Rowland Hill was looking at the new colours which were to be used for the stamps which were to replace the Penny Black and the original 1840 issue of the Two pence Blue. The decision to change the black stamp to red had already been made, and at the same time the colour of the ink used for the cancellations was to be changed from red to black. Although it had been
Penny Black for official use to government departments such as the tax office and the idea of introducing an official stamp was abandoned. Only a few postally used examples exist, which probably originate from the Post Office circulars sent out as advance notice of the new stamps. Four are known on covers; all were cut from their envelopes and then replaced. Most of the cancelled examples are from trials of cancellation types, inks, and experiments with their removal. Those trials led to the change from black to red stamps, and vice versa for the cancellations. Considered a British cultural icon, the Penny