Seiboku (青墨 )
Seiboku is made from Kobaien’s finest oil smoke; most suitable for blue ink.
Genuine indigo is used to produce a brilliant blue color.
SIZE VARIETION ( Width x Length x Thickness )
1 CHOU : 19mm x 73mm x 10mm – 5 CHOU : 32mm x 130mm x 10mm
PRICE VARIETION ( Japanese Yen )
1,000 JPY – 6,500 JPY
