The 6-cent stamp honoring the eleventh century Norse explorer Leif Erikson was first placed on sale at Seattle, Washington, on October 9, 1968 — Leif Erikson Day.
A statue by the noted American sculptor Stirling Calder, which stands in Reykjavic, Iceland, was the stamp's inspiration. The background was printed by offset; the Rotary Currency Press added the statue and lettering by intaglio.
The stamp was designed by Kurt Wiener and was issued in panes of fifty, with an initial printing of 120 million.
Postal Bulletin (September 19, 1968).