[skippy the wonder dog]

If he got it for not a whole lot of money, either it's counterfeit or it's black market, I should think.

There is a black market for prescription drugs, which is particularly hot for Viagra and Cialis -- go figure. In drug distribution, inventory of those things shrinks. The Viagra and Cialis you see advertised by spam is mostly either fake or stolen -- I should think this is the same same.