Okay then, here it is. My bottom, taken in it's most recent state & condition as you'll see from the date stamp. And no bite marks...
For the record, it's not an easy shot to take yourself, and I doubt I'll have much reason to do it again in a hurry. That said, you never know... I've been asked for stranger things before now :-)
(Don't think I'm being rude, but I have meetings starting at 8am today... back much later)