Iceland bookseller and literary postal history

A bookseller from Iceland more than fifty years ago created this bit of ephemera with a double-biblio angle for my collection--books and philately ( bibliophemera and bibliophilately ). This is an interesting postcard from the Icelandic bookseller Snaebjorn Jonsson & Co., The English Bookshop , in Reykjavik. They sent this postcard to Scott Publications, Inc., a publisher of stamp catalogs and other publications pertaining to stamp collecting (I used to get their catalogs when I was a kid). Of interest is the identification of a bookseller in Iceland and the Icelandic history depicted on the stamps used to mail the postcard. The history deals specifically with antiquarian books and manuscripts. The two stamps on the postcard are from a 1953 set of five issued to commemorate Iceland's literary heritage. I've been researching these stamps and the literature depicted on them for the better part of this year. The leads have been hard to come by, but just as I had pieced togeth...