Identify Old Radio - Motorola Volumatic

Wondering if anyone can tell me what car this might have come from.

Sorry, big file...

http://www3.telus.net/public/kmacklem/DSC01442.JPG

dang, that's an oldie.

http://www.thesamba.com/vw/forum/album_page.php?pic_id=413211


these are probably from the 50's from the styling