2021年9月1日Tokyo Weekenderに「外国人に関心が高い印鑑」の記事が掲載されました「外国人に関心が高い印鑑」https://www.tokyoweekender.com/2019/10/the-history-of-hanko-a-guide-to-japans-ink-seals/外国人向け「印鑑の使用ガイド」https://www.tokyoweekender.com/2019/11/a-guide-to-using-your-japanese-hanko/外国人向け「大切にすべき印鑑」https://www.tokyoweekender.com/2019/11/kamakura-hanko-a-traditional-japanese-seal-makes-the-perfect-personalized-keepsake/
「外国人に関心が高い印鑑」https://www.tokyoweekender.com/2019/10/the-history-of-hanko-a-guide-to-japans-ink-seals/外国人向け「印鑑の使用ガイド」https://www.tokyoweekender.com/2019/11/a-guide-to-using-your-japanese-hanko/外国人向け「大切にすべき印鑑」https://www.tokyoweekender.com/2019/11/kamakura-hanko-a-traditional-japanese-seal-makes-the-perfect-personalized-keepsake/