Horse of a different colour.

"I've looked at it from both sided now."  
If fact I've looked from damnearly every available angle and still remain undecided as to the best way to view it photographically.
Another example of missing Al perhaps?

There's NO further doubt that it is a third shade though.  None of the lying-around-to-be-lifted bits have yet yielded a non-red shade; though I know they exist, having seen them.