The uniform with the 'C' and the cap with the 'white sock' is what happens when a minor league team creates an unlicensed bobblehead.
On the plus side Billy did sign the cap (sort of):
Anyway, for all it's flaws it's a welcome part of my Pierce collection. The fact that I had no idea it existed until I stumbled across the eBay listing makes it that much better. Now I need to decide who he bumps from my shelves or if I need to add another shelf. I think another shelf is the way to go.