When all the work done in the quilt is mine, I sign it somewhere. Usually initials and the date completed. I try to place it inconspicuously and simply hand sew with small stitches in the top only or quilt it through all layers. In addition, it may carry a label on the back. I thought of this when I started making charity quilts where a group name is on the back. My identifying marks are not easily found. At one of our group meetings I told fellow quilters about this and they had not noticed the signings. It is fun for me to do this. I emphasize that if anyone else has helped with the quilt I don't do it.