safeman Gary Stephenson wroteCheers, that is one of my locks, from a bookroom door and I have seen a few of that type/design before. Interesting point to see that it incorporates the means of operating a Ratner type Live Relocker. [unknown]
Gary Stephenson I was at the lock collectors table at the Nottingham expo and noticed a lock with the same R1 JCM stamping on it, and sure enough when opened up it looked identical to the original one that I posted. No key with this one either, to see if it was stamped up though.