A very detailed treatise on Japanese sword blades examining their history, manufacture and inscriptions followed by an essay on the renaissance of high quality blades in the C18th and C19th with examples from the author's collection illustrated and described.  72 page booklet.  Text in Norwegian with English captions and blade descriptions.  Dedication from the author on the title page.  Some signs of wear but generally good condition.  Scarce and obscure.  Cat No 2181