cover --, 1951-64, Portraits, Pictorials, Semi-Postals (betw. 9N75-9N214, betw. B6-B18), 24 covers or cards comprising 22 first days incl. nos. 9N75, 9N78, 9N79, 9NB6 and 9NB7 (two), 9NB9 and 9NB10, also two other non-first day covers to the U.S., very fine, Michel DM3,550+