Shellback Certificate is too big to fit on scanner.  It is 16 inches by 24 inches.  Here is the center portion.  

IMPERIVM NEPTVNI REGIS

To all Sailors wherever ye may be: and to all mermaids, whales, sea serpents, porpoises, sharks, dolphins, ells, skates, suckers, crabs, lobsters and all other living things of the sea GREETING: Know ye; That on the 28th day of May 1968, in Latitude 00000 and Longitude 106 degree 00 ; E there appeared within Our Royal domain USS YORKTOWN CVS 10 bound for the equator. Be it Remembered that the said vessel and Officers and Crew thereof, have been inspected and passed on by Ourself and Our Royal Staff AND BE IT KNOWN: By all ye Sailors, Marines, Land Lubbers and others who may be honored by his presence that DANIEL A. BERNATH having been found worth to be numbered as one of our trusty Shellbacks he has been duly initiated into the Solemn Mysteries of the Ancient Order of the Deep.  But it further understood: that by virtue of the power invested in my I do hereby command all my subjects to show due honor and respect to him wherever he may be.  Disobey this Order Under Penalty of Our Royal Displeasure.  Signed  Davey Jones His Majesty's Scribe Neptunus Rex Ruler of the Raging Main by his Servant W.L. Bennett, Commanding Officer, Capt. U.S.N.