That is 50% of MSRP.
Personally, I prefer the Cantons I posted at $600, but for anyone who has been wanting LS50's but didn't want to pay the price, now is the time.
These are "KEF recertified". I am a fan of A4L's refurbs, but even if I weren't, a speaker is a simple enough refurb that I would have no qualms about it at all!