A souvenir sheet or miniature sheet is a small group of postage stamps still attached to the sheet on which they were printed.
Postal authorities worldwide have issued souvenir sheets to commemorate any number of different special events, from royal births to major stamp exhibitions. Although the main purpose of any postage stamp is to show that postage fees have been paid, it often serves a second purpose: to commemorate a past event or a well-known place or person.
The stamps on the sheet may be perforated in the usual way, or imperforate. The margins or selvage of the sheet may have additional printing, ranging from a simple statement of the occasion being commemorated, up to a full picture of which the stamp(s) are just a small part.
On Dec. 22, 1922, Princess Elisabeth of Luxembourg, the younger sister of that country’s present ruler, Grand Duke Jean, was born. Just 12 days later, on Jan. 3, 1923, Luxembourg issued a special small sheet that contained a single green 10-franc stamp with perforations all around, and a wide border of margin paper. There is no inscription in the margins, but the special sheet was prepared specifically upon the occasion of the royal birth.
Although the terminology is not as precise as most stamp collectors would prefer, the souvenir sheet is an interesting part of the stamp hobby. Collectors may choose to collect only souvenir sheets that promote stamp shows and exhibitions, or they may look for souvenir sheets related to another type of event or some specific topic. Many collectors enjoy souvenir sheets because they fit easily on a stamp album page. Some modern souvenir sheets contain interesting artwork as part of the decorative selvage.
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