:''"Philatelic calendar" can also refer to a schedule of philatelic events such as stamp club meetings, philatelic exhibitions, or auctions.'' A philatelic calendar is a collection of

postmark A postmark is a postal marking made on an envelope, parcel, postcard or the like, indicating the place, date and time that the item was delivered into the care of a postal service, or sometimes indicating where and when received or in transit. ...

s from each day, month, and year during the period collected. The stamps collected may be limited to the stamps of one country, or even to a particular issue such as

Penny Lilac A penny is a coin ( pennies) or a unit of currency (pl. pence) in various countries. Borrowed from the Carolingian denarius (hence its former abbreviation d.), it is usually the smallest denomination within a currency system. Presently, it is th ...

. A philatelic calendar extending from the first day of issue of the

Penny Black The Penny Black was the world's first adhesive postage stamp used in a public postal system. It was first issued in the United Kingdom (referred to in philatelic circles as Great Britain), on 1 May 1840, but was not valid for use until 6 May. ...

to the present would include stamps canceled on each day from May 1, 1840 to the present, about 62,000 stamps as of 2011. Only someone who possesses the sole used example of the Penny Black from May 1, 1840 could assemble a complete calendar.

Keightley calendar

The Penny Lilac was the subject of a celebrated philatelic calendar collected by Walter Keightley. The stamp calendar included postmarks, many with

Socked on the nose Bullseye, in philately, also called Socked on the nose (SON), refers to a cancellation of a postage stamp in which the postmark A postmark is a postal marking made on an envelope, parcel, postcard or the like, indicating the place, date ...

cancellations. The Keightley calendar spans the life of the penny violet from July 11, 1881 to January 1, 1902 and includes many uses of the stamp in subsequent years, the stamp was valid for postage until July 1, 1915. Keightley, born in 1897 in Illinois, began collecting stamps at the age of 7. A graduate of

Carthage College Carthage College is a private college affiliated with the Evangelical Lutheran Church in America and located in Kenosha, Wisconsin. It enrolls 2,600 full-time and 200 part-time students. Carthage awards bachelor's degrees with majors in more tha ...

and the

Colorado School of Mines The Colorado School of Mines, informally called Mines, is a public research university in Golden, Colorado, founded in 1874. The school offers both undergraduate and graduate degrees in engineering, science, and mathematics, with a focus on ener ...

, Keightley spend most of his working life in England as a petroleum engineer and was an avid philatelist. After his retirement he returned to the United States and lived to 94. His collection was auctioned by

Christie's Christie's is a British auction house founded in 1766 by James Christie (auctioneer), James Christie. Its main premises are on King Street, St James's in London, at Rockefeller Center in New York City and at Alexandra House in Hong Kong. It is ...

in its New York sale of January 11, 12, 1991.

References

{{reflist Stamp collections Philatelic terminology