99% Invisible

99% Invisible

Hanko

July 20, 202139 min

0:0039:04

About this episode

Hanko, sometimes called insho, are the carved stamp seals that people in Japan often use in place of signatures. Hanko seals are made from materials ranging from plastic to jade and are about the size of a tube of lipstick. The end of each hanko is etched with its owner’s name, usually in the kanji pictorial characters used in Japanese writing. This carved end is then dipped in red cinnabar paste and impressed on a document as a form of identification. Hanko seals work like signatures, only inst

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99% Invisible

Design is everywhere in our lives, perhaps most importantly in the places where we've just stopped noticing. A weekly exploration of the process and power of design and architecture.

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