The blades dating from the Heian Period (794-1185) through modern times belonged to a physician whose deep knowledge of Japanese sword culture profoundly impressed experts. Until two years ago ...

Some of the highlights include ornamental swords produced between the mid- and late Heian Period, four of which are designated as national treasures. They were worn by aristocrats to display ...

The sword was pulled from the attic decades ago, but a recent ceremonial cleaning revealed it was a priceless heirloom from the 12th century.