Single frame enhanced NavCam image taken on 25 June 2016, when Rosetta was about 16.7 km from the centre of the nucleus of Comet 67P/Churyumov-Gerasimenko. The average scale is 1.4 m/pixel and the image measures about 1.5 km across.
The original image and more information is available on the blog: CometWatch 25 June