If the drivers are in good condition. I am not a fan of Craigslist pictures that give very little information. The photo is a distant shot of two speakers with the grills on. Now if you can call the seller or go over to take a look in person that is another story. But why not just post better pictures?
Its bad pictures that sometimes make the said item a steal to someone with good eyes. Look like epi 100's to me as well, if i were close i would be going to pick them up at that price.
The pic for my reference fours was worse. I saw the cabinet shape and a blur of a badge that looked like an infinity badge. I got them off cl for 5.00, they need surrounds but otherwise they are in near perfect shape.