@Sarcophilus Harrisii.
Ah, I see.
I've just had another look and while I can't see a 'badly bent back', I can see the dent in the hood, and in the 1st pic, it looks like the the base of the camera isn't flush to the body, with this condition getting worse near the front.
I must confess I hadn't looked properly at it.😱
Yes that base of the camera is the back. It's been distorted fairly badly to be sitting like that when the lock is actually fastened. Possibly twisted. It can happen a few ways, if someone is rough opening the camera it can be bent backwards, this will put a twist in it, deform it near the hinge or send the correct radius at the corners past 90 degrees (which is what seems to be the case in the first picture). This one is bad enough that it may not actually be completely light tight as it is, at certain angles to a strong light source, potentially. It's able to be improved. With careful bending, some templates, clamps, small blocks, punches, and a very light panel hammer, I could make it fit reasonably well, and work OK. But the fit will never, ever, be as tight as a good original one. Because they're made of aluminium there is a lot of stretching which happens, especially around the corner area. You can get them back in working shape but the fit is never as snug and perfectly even as a good, undamaged one. This all takes time to do of course, and the worse one is twisted the longer it takes to make it as good as possible.
As an aside it's this sort of issue that causes me to disagree when some people claim they're bulletproof etc. A comment I read somewhere just the other day was that a Rolleiflex is "built like a Sherman tank". Well, nup. No. Ain't so. They were made to very high standards indeed with excellent materials, and they are durable, and long lasting. This is all absolutely true. But they do not appreciate being banged around, it won't do the focus mechanism any good or the alignment of the lens board, finder and back condition. They repay careful ownership with very long service life. If they really were bulletproof it wouldn't be possible to terminally kill a back with nothing more than thumb and finger pressure, yet if you grab the base of the back with your fingers and bend it back on itself hard enough, this is exactly what you'll do. Durability and longevity are not the same as an ability to tolerate abuse...
When the time is invested in making the eBay purchase in post one right, then there will be another working usable Rolleiflex out there to be cherished, and maybe passed on to another family member one day or to another photographer. So please don't get the impression I'm trying to discourage the owner from having it attended to,. Quite the contrary, in fact, because I think it is important to save every one that can be rescued. Condition will simply dictate the time and financial investment needed to make any particular specimen as good as it can be.
Cheers,
Brett