help with boxer coloration, please???

[x19er]

Awwwwwww he's cute, his face reminds me of our wee Charlie

[sargboxerluv]

My girl has a black, half inch line on her belly and paws where her flash meets her fawn. But on her it's her skin that is black and the white hair makes it look grey. Your pictures look liek it's the fur as opposed to skin like Harley Girls. I have no idea what it might be called or how it will affect his show career. He's a gorgeous boy regardless. Hopefully it will not be a negative in the show ring.