Here is what the seller wrote in an email :
When I lived in Japan, I have one student.
His father worked in Square Soft co.jp.
At the graduate time, my student gave me some
He said that they are drawing pictures by Akira
Akira drew these, then he asked assistant to draw
Akira suggest this way........
" This picture will be *** cell pictures".
Then his assistant will draw cell picture from
My student said that they re an original pictures.
These are draw on papers.
My student said that these are very rare,
But I 'me not sure because I am so amateur about
Here is a larger image :