For those of you who want a source, I came prepared:
http://www.nintendolife.com/news/2012/10/behold_the_ungodly_union_of_the_wii_u_pro_controller_and_snes_pad
I know the price is a bit odd, but maybe someone put down the wrong price. Cross your fingers and hope its real (if it is, I want a NES one too).
And here is a picture of what could be the SNES controller (crosses fingers that its real).
- Crackkat and SoldMyWiiUAndLeftTheForums like this