Per bug BUG-102873, cases where img.data-pin-media exactly match img.src are failing.
When this bug is fixed, using the browser button will get you the full-sized cow.
Image without data-pin-media
Image source and data-pin-media source do not match
Image source and data-pin-media source exactly match - this image should show last in the grid even though 1320*660 makes it the biggest image on the page.
