Originally Posted by FastRedPonyCar
That's a blades' sword. Once you talk to the chick in Windhelm, you'll be able to get one. Chances are though, you'll already have something stronger. At least I did.
I already got the blades sword a long time ago from riverwood, and a dragonbane from the blades stash at skyhaven temple. This one is totally different, its similar to the ebony blade without the red stuff on the blade and ive never seen it before.