Board Thread:General Discussion/@comment-44061-20130307153642/@comment-11051098-20131015161248

In chapter 514, page 7, after Yhwach stabbed Ichigo in the neck with his spirit weapon and noticed that Ichigo used Blut to stop the blade, Yhwach said "it was a mistake to use a pure Quincy to stop you".

I think that line proves that Quilge was a Echt Quincy.