best I can do is $315, the listing price from the headfi thread you JUST purchased this from and also took the pictures from.
https://www.head-fi.org/threads/wts-beyerdynamic-dt-1990-pro.938653/post-15769353
For anyone reading this that is confused, this user just bought these headphones today at a much cheaper price on headfi and is attempting to flip them for a quick buck. They are still in the mail… Proceed with caution.
Maybe you posted in the wrong thread. Try this:
And icing on the cake:
