sentences:  However, "N" and "W" stamps are now widely sold, and are the only commonly available pre-printed stamps sold.PostNL now issues all first-class stamps as NVIs, which simply bear a large numeral “1” that varies to match the typography used for each particular issue.Stamps meeting the first-class rate to Europe additionally bear the marking “Europa”, and those to foreign destinations outside of Europe bear the marking “Wereld” (“World”).