Here's the autograph (click on it to see a larger version of it):
Here's what Jade says about the autograph:
I sent Masaaki Sakai a letter, which i got the address from your site and this is what he sent me back. It is a bit smudged and at the top it says "to Jade".
If you'd like to write to Masaaki Sakai yourself, you can write to him at: