The purple (which I don't see on my little phone screen) is most likely the blue coming through as most black Cochins come from a blue line. What I see is a green sheen, and yes, it is a desirable feather trait.
They both look very nice, but I agree that #2 may have better composition: rounded compact body, full round chest. Nice stance, leg spacing, round head & tail (feathers should be tighter with less spacing) short wings.
Thank you missbecky, I was sure the 1st was better, shows what I know
