Pamela Parker captured screen shots of Trusted Store Badges on Google AdWords ads!
Google Trust Stores is a program Google launched in October of last year to give Google shoppers more confidence in the retailers they shop at.
One of those ways of giving these shoppers confidence is to slap on a badge on their ads. Kind of what they did with the Google Checkout Badge, which was removed from the Google Ads in June 2011, I believe to allow +1 buttons to be placed on the ads.
In any event, here are pictures of the "Trusted Store" badge on a Google AdWords ad. I was not able to reproduce them:
For more details, see the Search Engine Land post.
Forum discussion at Google+.