I actually visited their store a few months back and half the SFAM and CoH's were fake. There were some real ones mixed in there but definitely buyers beware.
Sting is an older style, not as popular as the other styles such as jagger , scorpion or roth etc... so sometimes if you're lucky, you can find them 80-100$ shipped on ebay...
usually, elfine, that's true, but these have a very distinct flaw (the bleach spot is not what people want) plus if you check that seller's feedback, that probably also worries buyers (it worried me!)