So the pair arrived safely and to my amusement the kind "little old lady" seller forgot to mention that the film door on one of the cameras was bent so much it was impossible to close. Several lens elements was taken out, wrapped in toilet paper and placed back into the camera, not to mention that both the focus and shutter on the other camera was completely stuck, lenses had major fogging etc.
Her reply when I confronted her was "you where the one who choose to take a risk". Looking forward to giving her a honest review 
I don't know if you plan on repairing them? if so, I can offer a few tips as I had to repair mine when I got it.
The backs on the Flexarets are often damaged because people don't know that you need to press the button on the top side to open them. The hook is held by rivets. I was lucky that crazy glue worked on mine. If it ever fails again, I'll have to use epoxy. To straighten the back, you need a plank of wood with a hole in it. I had to remove the back to re-adjust it. Try and not use tools as they often make things worse. I just put my weight on the parts to bend them back into relative shape.
The focus often needs just a bit of machine oil applied with a syringe to make the focus work again.
The main taking lens is held by a collar that also functions as the infinity focus stop and is fully adjustable. While working on it, you will lose infinity and need to set it back by hand using a groundglass. I used collimation but then I didn't have the spanner needed to tighten it back, so it's off once more.
The shutters in mine is a Prontor-S and it's surprisingly easy to work with. The retaining ring also houses an f/stop number ring.
