The duplicate can be recognised by the same attire, at least in part. The doublet Buckingham wears was found entirely too stifling and was discarded, in favour of enjoying the summer day in his white chemise alone, unbuttoned leisurely at the front.

He perks up eagerly at their visitors and has jumped to open the gate to the stable before Buckingham can even consider to object.

"Come in, my gorgeous Martha, come in! I've yearned to see you again, I have... thought of you quite often and mmhhhh, rather vividly, if you catch my meaning, you have made my--"

"Ascalon," Buckingham interrupts sharply and steps between his Shadow and Miss Jones, ushering her away from the gate and his yellow-eyed copy (who glowers with disapproval, but contents himself with a deep kiss on the hand of Martha's Shadow... for the time being).

"That horse is named Ascalon, he is... indeed mine, Miss Jones, and that... creature is best ignored entirely."

A sharp glare at the Shadow to emphasise his point, and a sheepish look at his guest to apologise for the tragedy of such unfortunate circumstance.