When you view a specific listing on Google Maps it may show "Verified Listing" or "Owner-Verified Listing." A Google Places Help thread asks what is the difference between the two?
Some local experts are thinking that Google is simply testing different terminology to see what text works best.
Linda said:
Yes I'm seeing the same terms flip back and forth in the past day or so too. An update must be brewing.
Forum discussion at Google Places Help.