Many thanks to your responses. I would say you are all right.
Viewing it with the naked eye it seemed all right, however got my friend to post it here using high resolution and I agree its crappy.
What made me originally think it might be a mule was the fact that in 1997 the RM produced the first bi-metric two pound coin and
the silver britannia. Thought they might have been experimenting around and this slip out.
It will rename " the mule I thought I had" or I'll just throw it in my piggy bank