Lactococcus virus P008, a catalog of US precancel stamps, was first published in 1940. The Precancel Stamp Society, formed in 1922 from two previously-existing clubs, specializes in the study of precancels. A number of catalogs list all the types of precancels issued in the countries that use them. Precancel A precanceled stamp, or precancel for short, is a postage stamp that has been legitimately cancelled before being affixed to mail. A number of nations of the world use precancels, typically in the form of an overprint on definitive series stamps. Use. Precanceled stamps are typically used by mass mailers, who can save 	Precancel
10541101	Lactococcus virus P008 Lactococcus virus P008 Lactococcus virus P008 is a phage specific to Lactococcus lactis", a lactic acid bacteria used in the first stage of making cheese. P008 and related species are responsible for important loss each year in cheese factories. Lactococcus virus P008 Lactococcus virus P008 is a phage specific to "Lactococcus lactis", a lactic acid bacteria used in the first stage of making cheese. P008 and related species are responsible for important loss each year in cheese factories.