How can I get the combination to a locked used Sentry safe I bought?

Question

The mdel is S3110 and a sticker says AD-993718 * Thanks so much if you can help.

Answer 1

Lost combination: First, find your safe’s Model and Serial
Number. The Serial Number is in this packet, and is also printed
on the small label beside the door hinge (outside). Send a copy
of this, a notarized letter (last name must be different than that
of owner) stating you are the safe’s owner, and a check or money
order for $12.00* (U.S. funds) to: Sentry Group, Dept. 200,
882 Linden Avenue, Rochester, NY 14625-2784 USA.
If using a credit card (Visa/Mastercard only), call 1-800-828-1438
and fax your Model and Serial number with the notarized letter
to 585-381-2940.
Lost keys: To obtain replacement keys, find your safe’s
Model and Serial Number. The Serial Number is in this packet,
and is also printed on the small label beside the door hinge
(outside).
Order by Mail: Send the Model and Serial number along
with check or money order (U.S. funds) for $12.00* to:
Sentry Group, Dept. 200, 882 Linden Avenue, Rochester,
NY 14625-2784 USA.

Answer 2

Call a locksmith

Answer 3

Locksmith will need to break into it.

Answer 4

try a lock smith