Can you suggest a good wall vault or safe?

Try the LS-52EN at http://www.primarysafes.com

I have a couple in mind for you. Locking Electronic Keypad 48-Key Steel Cabinet, 11-3/4w x 4d x 17-3/4h, Platinum. Keeping your keys organized is a great way to increase efficiency and security at the work place. This platinum, heavy-gauge steel key cabinet is capable of holding 48 sets of keys -- great for working environments such as janitorial, industrial and housing. For added security, cabinet comes with an electronic keypad that permits only users with the password to have access to the keys. For convenience, the cabinet is wall-mountable (hardware included), so you can hang cabinet wherever it is most needed. Features include a removable slide cover and two keys that override the password. Cabinet comes with metal key tags and number labels for added organizational capabilities. Amsec WS1214 Wall Safe. * 3/4" thick solid steel door, recessed for flush mounting. * Heavy-duty B rate fully welded body construction. * U.L. Group II combination lock with internal relock device (electronic lock optional) * An additional spring loaded re locking device, activated by a punch attack. * Locks and re locks protected by a large carburized hard plate.

This new fingerprint safe you can keep handguns, jewelry, and personal items secure. The main storage space can accommodate jewelry, and approximately two handguns.