On this page What is known All HD Documented factAT AttributionII InterpretationPC Yet to be checked What is known YearCompetitionPrizeWork1967Agency for Cultural AffairsSwordsmith’s licence (作刀承認, sakutō shōnin), in November—No date新作名刀展 (Shinsaku Meitōten), NBTHKTwenty-seven selections (入選, nyūsen)—No dateNBTHKMukansa (無鑑査, mukansa): the Gamagōri museum says so; he is not on Markus Sesko’s list—