Noun
(philately) A smaller-than-normal sheet or pane of usually identical postage stamps, commonly containing gum and perforations, sometimes bearing a marginal inscription identifying an event being commemorated, printed as a souvenir or for collecting purposes.
Synonym: minisheet
(philately) A souvenir sheet.
Synonyms: minisheet, souvenir sheet
Miniature sheet, post of Romania 2005. Source: Internet