I load the full images because the thumbnails sometimes don't zoom (as in this case). Anyway, the fact the sides "mirror" the strange irregularity is pretty compelling it's post-mint damage of some nature or other.
PM......and I think you should post the larger photos. Peter allows us the option for this. Years ago, with the old software, you had to re-size your photos or use a photo hosting site in order to upload here. Now, with the new software, you can upload practically any size photo with no problems at all......
it seems like the impression didnt move, even though the one side is thinner. Its weird, but i trust you guys, thats why I am here