http://cgi.ebay.com/ws/eBayISAPI.dll...category=11145
Seller says: The back is engraved WORTHY MASTER, 10K, E, EB and other symbols, please see pics
http://cgi.ebay.com/ws/eBayISAPI.dll...category=11145
Seller says: THE BACK SAYS R.L.G. 15701 AND 2 PI SIGNS WITH 2 E'S. TESTED 14K.
http://cgi.ebay.com/ws/eBayISAPI.dll...0&category=403