One of my all-time faves from Lorena Marañón.
More eyes; painted maybe? This pic is all over Pinterest/Tumblr but I can't find the source even after an image search. Cite your sources, people! [Stern librarian face]
Not embroidery, but still super cool. DIY beaded collar from Antimutig Blog. This one inspired the french knot one I made! Got any more awesome collars for me?