This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
PlainMug. Since somebody objected to the image at Mug which showed mug bearing the logo here is plain mug with no logos en Liftarn CommonsHelper Henning Makholm en Henning Makholm Original upload log page en PlainMug Hohum bytes no noise rotated cropped adjusted colour balance Henning Makholm bytes no somebody objected