I have a couple Medeco upper housing locks in my collection. I've been heavy into lockpicking, collecting, and refurbishing for 5-6 years now.
I've seen a wide variety of high security locks for payphones - the WE 30C lever locks are particularly evil!
https://www.crypto.com/photos/misc/wecolock/


Jeff Moss

Moss Communications
Computer Repair-Networking-Cabling
MBSWWYPBX, JGAE