The code for the safe in Slugger's Keepsakes is 6723. If you don't know, the owner calls and gives it to you.
The combination on the safe is 6723. The password code to open the scooter cabinet is "frost."
Go to check on the card in the safe at Slugger's Keepsakes. You have the combination.
The owner of the store calls and gives it to you so you can check on his valuable card. You can just use it (it's 6723) and nothing will happen differently.
The rare Honus Wagner baseball card from the safe at Slugger's Keepsakes.
You have to watch the shop keeper input it send him away then copy what he did.
When you discover that the safe has been stolen from Slugger's, Gus will tell you that the blowtorch is behind the Employee of the Month picture in the mall office.
There is no password, but the combination for the safe is 0516.
Behind a palm tree by the ocean. Just remember your never safe on the island even if your not alone, I suggest you watch your back
After your first visit to Slugger's, when the owner asks you to check his safe, your next alert is from Giuseppe's Toys on the 3rd floor in the west wing. (It is a toy robot walking around.)
Find another clue at PrintFax. The copier there has a record of the last item scanned (use the menu). It was a Honus Wagner baseball card. Head back to the sports card store to check the original in the safe there.
The copier in PrintFax is a modern one, that scans the original and then prints it. You can use the Menu button to select "print last document" and this is a copy of the Honus Wagner baseball card, just like the one you saw in the safe at Slugger's.
To open the safe in the first island in Monkey Island SE, you must request a note of credit from the shopkeeper. If that option is not available, you will need to see Stan first and ask about paying with credit. The shopkeeper will go to the safe and the key will be obvious. After this, you must make the shopkeeper leave the store, and then open the safe with whatever combination the shopkeeper used. The combination will always be in steps of 1,2,3 or 4, and always follow the pattern anticlockwise clockwise anticlockwise clockwise.