She ALWAYS has her claymore with her :D I have a few instances in my timeline where she is specifically in Denerim, so maybe we can work out a scene around one of those times, if you're flexible. It would be within the past two years though, nothing earlier than that.
So she could stop by his shop. I'm sure he'd comment on the big ol' sword. It's much fancier than most of the human scrap metal ;)