[PentaxBronica]

I would guess the Bronica to be an ETRS, that looks like the type of lens sold with them. The "AE II" bit relates to the prism viewfinder which has a built-in light meter (and is also of ETRS vintage). That isn't a power winder by the way - it's the standard speed grip. Two strokes of the thumb lever advances the film, lowers the mirror and re-cocks the shutter, and you get a flash hotshoe on the top of the grip.

An excellent deal if it's legit and in working order. If you're planning to buy then download and read the manual for the camera before you go as they do have some quirks, for example the shutter won't fire without a film loaded unless you flick the multiple exposure switch. My backup ETR body came to me as spares or repair because the switch was missing and the dealer didn't know this!