Penny Venetian Red of "POSTAGE" and "ONE PENNY" that its predecessors bore. It was decided that a new colour would also be desirable to defend against improper re-use; a fugitive lilac ink was used that would run and spoil the stamp if one attempted to wash off the cancellation. The Lilacs broke the tradition of using corner letters and instead had either fourteen or sixteen dots in each corner. Penny Venetian Red The Penny Venetian Red was a British postage stamp equal to the value of one penny. Issued in 1880, it was designed and surface-printed by security printing company De La Rue.
Penny Black (research project) Penny Black (research project) The Penny Black Project is a Microsoft Research project that tries to find effective and practical ways of fighting spam. Because identifying spams consumes a recipient's time, the idea is to make the sender of emails "pay" a certain amount for sending them. The currency or the mode of payment could be CPU cycles, Turing tests or memory cycles. Such a payment would limit spammers' ability to send out large quantities of emails quickly. The project's name is derived from the Penny Black, the world's first adhesive stamp used for paid postage. The goal of the