Another great way to show your order info:For those of you accessing this forum on your phone, hold it sideways to see the signature, which most of us have updated with the relevant order info.
You can replace the "Member" under your avatar with a short bit about your order info so it's easy to see without rotating the phone.
Click on your name in the upper right to (1) access your account. Then (2) select "Account details" and (3) create a "Custom Title."