noun
1. : a block or set of postage stamps or a single stamp printed on a single sheet of paper without gum or perforations and with margins containing lettering or design that identifies some notable event being commemorated
2. : miniature sheet 1
noun
1. : a block or set of postage stamps or a single stamp printed on a single sheet of paper without gum or perforations and with margins containing lettering or design that identifies some notable event being commemorated
2. : miniature sheet 1
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012