This past weekend I was doing some repair work on my 1957 Hasselblad in original condition with the piston. I put in a new coil spring, new mirror, new screen, new mirror pads, clean, lube, and general sundry things. I might mention that this body showed signs of having been worked on before, and not particularly expertly at that. At on point I saw a teenie tiny little chrome looking screw, and I recall it might have caught my eye falling out of the works on the chassis (operator's side). And I haven't a clue as to where it came from. I don't even know if it pertains to the camera--maybe another more sloppy worker dropped it in there. The screw is barely longer than maybe 1/16 inch--much smaller that the other Hasselblad screws I'm used to. But after I finished my work and buttoned up the body, it works very well, although I wish the mirror pawl would get a better grab on the bottom right corner of the mirror. Took me a while to get it to even hold down the mirror at all. But this thread is not so much about that pawl finger. Where it the name of tarnation did this screw come from? Thank you. (picture attached, side and head view) BTW. This photo was done at 600 dpi on my scanner, then blown up 600% in Photoshop.