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It may be the angle, but that nib looks either an English Medium or a US Broad, it also looks to have a slight twist to it, but that may be a trick of the light.
The picture in my Avatar is an English Broad nib.
Jim, I guess it's just the result of me putting my pen on the scanner bed and hoping for the best! Next time I get the camera out I'll try and take a proper close up.
The nib is undoubtedly cut on the angle, I would say about 20 degrees. This is not wear, the whole pen was NOS when I got it! Width of the nib at the tip (measured at 90 degrees to the centre line of the tines with a vernier) is a tad over 1.0mm.
The nib appears to be much more chisel shaped than the one in your avatar, and the iridium tip doesn't have the same ball-like appearance at the back as yours, the coating follows the profile of the gold much more closely. The nib isn't twisted at all, though it is a little inky and (mea culpa) it does have a couple of small cosmetic scratches around the front side, though nothing that affects its performance.
Anyway, no matter either way, and I shouldn't hijack Kate's topic any further with it. I just happened upon it when I was placing the 'Missing pens' notice and thought my nib might be relevant!
Andy