I thought I had DC2 wheels, turns out I don't

Came to light when I bought some DC2 centre caps that didn't fit, but they did fit my spare wheel which is a dc2 wheels (found out after some snooping)
So I'm left with the black mystery wheels...
DC2 wheel

Not a DC2 wheel

And both together

I weighed both wheels;
the DC2 wheel has a 195/45 tyre on it and came in at 16.4kgs
and the mystery wheel has a 205/45 tyre on it and came in at 14.9kgs

I looked for some markings on the inside of the wheel but couldn't find anything other than the wheel specs and made in england ( more

Any ideas?
