1941, 700th anniversary of the death of Snorri Sturluson 20 öre and 60 öre, in combination with Victory overprint issue 5 öre, neatly tied by cds. “OSLO 6.12.41” to airmail cover to USA with German censor mark “Ab”, two-line “Zurück Postverkehr eingestellt” and Norwegian “Retur Postsambandet brutt”. A fine example of the postal service suspension to USA after the Japanese attack on Pearl Habor on December 7th 1941
