都内の象牙印鑑工場(写真:ロイター/アフロ)

Ivory for making ‘hanko’ or carved name seals is seen with it’s registration certificate at a factory in Tokyo, Japan November 28, 2016. Picture taken November 28, 2016. REUTERS/Issei Kato (Japan)
Ivory for making ‘hanko’ or carved name seals is seen with it’s registration certificate at a factory in Tokyo, Japan November 28, 2016. Picture taken November 28, 2016. REUTERS/Issei Kato (Japan)