No, I am waiting to tomorrow to call Sentry with the serial number and ask where the bolts are. If I can get this then I have two locksmiths who say they have expertise with safes. One sort of laughed at a Sentry and said the tech could open it quick. The other mentions drilling the wall to push the bolts back in which if successful and done with the safe vertical seems a safe way to open it without damaging the contents.
I am taking a bit of time to investigate the locksmiths' ideas rather than rush in and risk unnecessary damage.