Katrin posted some information on an Austrian find that includes textiles and even underwear. Renovations at Schloss Lengberg found all kinds of things stuffed inside a wall (actually a spandrel).
There’s a brief write-up on the textiles in German (Google English translation) and a German PDF with more pictures.
And now, if you’ll excuse me, I need to get back to work on a big non-textile project I want to finish this weekend, or at worst shortly thereafter.