This stamp is called Inkan,it is evidence indicating that it is an individual.
In countries other than Japan, sign is only prove himself.
Stamp can be forged easily.
So why Japanese continue to use the Inkan?
Stamp is special for the Japanese.
Once upon a time about 2000,Japan became one country for the first time.
At that time,stamp of gold was given from China.
From it,stamp has been used everywhere in history of Japan.
Big reason for this,literacy rate was low unlike now in old Japan.
Stamp made it possible to contract to people who do not write a letter.
The customary practice has been going on for now.
Stamp is necessary for important contract even now.
For example,contract of House Rental,borrowing the money,and marriage.
When you come to Japan, let's make a Stamp of your name.
