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Detail of a French stamp of 1854 cancelled with a “losange à petits chiffres” number 1152. This number was assigned to Dunkerque. "A11" cancel of Castries, Saint Lucia. Coded postal obliterators are a type of postmarks that had an obliterator encoded with a number, letter or letters, or a combination of these, to identify the post office ...
The first machine flag cancel (preceded by fancy cancels of flags) was used in Boston in November–December 1894. [6] Handstamped cancellations are cancellations added by means of a hand stamping device. Highway post office cancels refers to cancels added in transit by portable mail-handling equipment for sorting mail in trucks. [11]
Postal card mailed from Washington, DC, to Baltimore, MD, in 1885 with a Leavitt machine cancellation. Thomas Leavitt (1827–1899) patented, along with his brother Martin Leavitt, the first machine in the U.S. that made machine-cancelled postal letters practicable, enabling the United States Post Office to increase the volume of mail it handled, quickening the pace of delivery and allowing ...
Service marks provide information to the sender, recipient, or another post office. Advice marks notify about forwarding, missending, letters received in bad condition, letters received too late for delivery by a certain time, or the reason for a delay in mail delivery. (For example, a letter may be marked "snowbank" if snow accumulation not ...
The first official experiment at flying air mail to be made under the aegis of the United States Post Office Department took place on September 23, 1911, on the first day of an International Air Meet sponsored by The Nassau Aviation Corporation of Long Island, when pilot Earle L. Ovington flew 640 letters and 1,280 postcards from the Aero Club of New York's airfield located on Nassau Boulevard ...
In one week alone, the San Antonio post office processed more than 75,000 letters, of which they controlled 77 percent (and held 20 percent for the following week). [19] Soldiers checking the mail of prisoners at a prisoner of war camp at Döberitz, Germany, during World War I. Soldiers on the front developed strategies to circumvent censors. [20]
A high-speed machine used by the US Postal Service to cull, face, and cancel letter mail through a series of automated operations. AFCS was first implemented in 1992, and is capable of processing 30,000 pieces of mail per hour.
A duplex canceller was a hand stamp used to cancel postage stamps and imprint a dated postmark applied simultaneously with the one device. [1] The device had a steel die, generally circular, which printed the location of the cancel, together with the time and date of cancel.