I found this briefcase near a dumpster and the condition was still ok, the only problem was the other side lock was broken. Click more for the instructions on how to unlock a 3 digit rotary lock Here's how to unlock it without a code: Find calling card or a brochure or a raffle ticket, put it in between the rotary either left or right and start working your way in each number until you feel a GAP in the middle. Once done, move on the next rotary and do the same until you completed all three. Finally, once all are in placed, dial the 3 rotary locks one number at a time until the lock opens. Goodluck