Here's another one:
http://www.ebay.com/itm/ONE-Vintage-Custom-Guitar-Headstock-Waterslide-Decal-/290721500145?pt=Guitar_Accessories&hash=item43b05a0bf1
I created the images in Photoshop and emailed them to him. The decals are great quality and he threw in some extras at no cost.
Whoever you go with, make sure they use actual METALIC gold or silver ink, if that's what you're looking for.