One example, today in the collection of the National Mint of Japan, is five ''sun'' seven ''rin'' (15.36cm) in length and three ''sun'' three ''fu'' (10cm) in width. It is reported to be 73.94% pure gold, and to weigh 44 ''monme'', four ''bu'', one ''rin''. | One example, today in the collection of the National Mint of Japan, is five ''sun'' seven ''rin'' (15.36cm) in length and three ''sun'' three ''fu'' (10cm) in width. It is reported to be 73.94% pure gold, and to weigh 44 ''monme'', four ''bu'', one ''rin''. |