With the photo of the hallmark rotated 90 degrees clockwise
it looks like there may be an "e3"
but I could not find a similar mark in the image library.
Link to Larger Images
http://www.putfile.com/pic.php?img=3248315" onclick="window.open(this.href);return false;"
http://www.putfile.com/pic.php?img=3248301" onclick="window.open(this.href);return false;"