Why aren't Images in G+ product page posts showing up in SERPs for brand searches?

[znotes]

Before 1-2 weeks ago, our G+ posts containing links to our product pages would show up in in SERPs (when searching for our brand name) with a thumbnail of the product image. Now, they do not  (see image below for visual). Our tech team confirmed there hasn't been any coding change that might be to blame and I see that this isn't happening to other sites. Any idea what may be the problem here?

tcnhLgy

[anthonydnelson]

Hey Zach-

First off, I've been to uncommongoods.com a few times. Great domain name and I think it's a great site.

Google is always playing around with and testing what they choose to show or not show in the SERPs, sidebar, knowledge graph, G+ area. I'm still seeing the image thumbnail for the recent G+ posts for the brands I work with, but the G+ posts I'm seeing are of an image uploaded to G+ with text and a link included in the post.

I certainly wouldn't worry about it. Simply put, if you're doing everything the same on your end, it's beyond your control.