bottom - very mildly bends outwards, probably part of manufacturing
https://41.media.tumblr.com/304d2f80729cfa29073f5c9da3615e62/tumblr_o3ppgfjUce1sqw4iko1_1280.jpg
the oily face of the thing
https://36.media.tumblr.com/eb604f19564e5785c5423b07f21bab8c/tumblr_o3ppgfjUce1sqw4iko2_1280.jpg
the printed information in case it means more to someone than it does to me
https://40.media.tumblr.com/8f019eaa978845fa26a23e438e2c90c6/tumblr_o3ppgfjUce1sqw4iko3_1280.jpg