This is a DVDRip and widescreen..
Are you sure it's widescreen ? According to the specifications you wrote, the resolution is 640x480. It looks like fullscreen, unless the black bars are encoded too...
My dvd comes from
www.kurotokagi.com (they say the dvd is widescreen, but it's not. The quality is as indicated : TV broadcast quality).
And let me add a "personal" question, honkytonk. What's the film's name of your avatar¿? That's Katsu if i'm not wrong...
You're right : It's Shintaro Katsu.
It's from the poster of 'Kenka ichidai : Dodekai yatsu' (aka A Life of Street Yakuza : Big Tough Guy) by Kazuo Ikehiro (1970) (taken from the book 'Shintaro Katsu Illustrated').