Western Electric 30B payphone lock and key for the cast iron 3 slot vault doors! Because there are no Keys for the vault doors on a 3 slot coin phones you will.
Most of the payphone are 3 slot pay telephones. Phoneco has original Subject to availability. Fairly original AE payphones 90% old sometimes with a repro. coin channel inside. 1939 handset. Bottom box and back board are new parts.
ithistory.info has a large selection of vintage payphone parts to complete your phone refurbishing project. Coin Box Lid for 3 Slot Payphones.