The souvenir sheet shows
the title pages of several ordinances that governed postal services in
Denmark in the 17th, 18th, and 19th centuries. Clockwise from the
upper left: Christian IVís Ordinance on Postmen, 1624; Plague Mandate,
1711; Ordinance on Prohibition of Mail by Means Other than the Post,
1775; and Acts on Postal Articles, 1831.
All of them except the second are obviously postal
laws, but the second deals with the plague. Nearly one-third of the
population of Copenhagen died in the plague of 1711. The Plague
Mandate regulated public activity in response to the problem. Mail
could serve as a vector for the spred of the disease, so regulations
The souvenir sheet was issued to mark the World
Philatelic Exhibition in Copenhagen, Denmark in 1987.