I've obtained some old SFIC cores/keys for Standard Oil, and I'm wondering if the system is still in use somewhere, or if the system was replaced with the breakup of Standard Oil. All the cores are the old logo/old style (no clip) cores. They are 6 pin "A" keyway cores, and all of the blind codes start with BM ten some 3 digit number. If there's a chance that there could be locks from this series in use out there, I won't trade the cores without repinning. Any ideas?
Thanks for any help you can provide on this.