MEDECHUBB (medeco/Chubb hybrid)
this 5-pinner carries balanced regular drivers,a Chubb plug, (stamped 5IS/Chubb/ UL),
in a Medeco shell, also stamped with underwriter's laboratories logo.
the somewhat unique key is stamped Medeco on one side,and Chubb on the other.
thanks DGTLCRACK for the lock.