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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 ...
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]
Greek Rural Postmen and Their Cancellation Numbers is a book edited by Derek Willan and published by the Hellenic Philatelic Society of Great Britain in 1994. [2] The book is a work of postal history that describes the postmarks used by Greek rural postmen in the twentieth century since the rural post service was introduced in 1911.
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 ...
Cork killer obliterating 1886 Grant letter sheet, used in 1892. Numeral killer cancellation of 1865 stamp of Malta.. In philately a killer is a particularly heavy type of handstamp, or portion of one, consisting of heavy bars, cork impressions or other crude devices used to cancel postage stamps. [1]