Here is a pic from the DTS site, I'm guessing it is the same, since the dimensions match. http://dtsshoppingmall.com/dts/partner/framemacro
Its under the Home Theater Accessories link on the left. Then click on it's picture on the upper right corner of the page.
Now that this one has been sold. For those interested in this DTS plaque just follow my link above and you can get if new directly from DTS for $35 + Shipping.