George. Sorry, I couldn't help myself. I've never seen one like that, notice the audio stand is similar though. Based on that I would do a web 'image' search for matching TV and audio stand sets until I found the right pic, then see what info it provides. I suspect not much response here on what is quickly becoming a ghost town sub-forum.
There were Sony OEM stands that exactly match your TV. They follow the exact contour of the bottom and base of your TV including the rear shape, with matching plastic/colors too. And of course designed for the high weight capacity (be very careful that those substitutes can handle 200 lbs.). I've seen pics in the 970 (and 960) threads. There's a classified section in AVS too.