Safe Elmar (Assistant Conrad in the bunker of the Duke) (Elex)

Good evening.
Safe I have found but how to get the code to this safe - could to make the mind.
In the end I found the discussion of the incentive for this safe.

In brief:
In the Fort (of Tavar) Gunna have to buy information for 500 coins. Gunn in this case, it will give a note that will code to the safe.
Safety Deposit box is located on the cave exit from the missile silo, where you'll Elmar Conrad. Leaving the cave, turn left and in 20 meters you will spray the plants behind them is safe. Requires code that is not cracked
Code to the safe, who do not want to buy information: 1337