Two of my girls that have shed recently. (Enchi 66% PH Hypo, Russo) I don't see the butterfly pattern on too many regular Enchi's, but a head stamp on a Russo is the norm from what I have seen of pics of other people's Russo's.
http://i111.photobucket.com/albums/n...6/DSC00061.jpg http://i111.photobucket.com/albums/n...6/DSC00059.jpg http://i111.photobucket.com/albums/n...6/DSC00060.jpg
http://i111.photobucket.com/albums/n...6/DSC00063.jpg http://i111.photobucket.com/albums/n...6/DSC00064.jpg http://i111.photobucket.com/albums/n...6/DSC00062.jpg