Thomas, Thank you for all the information. However it didn't answer Tim O'Connor's question "are these the same cars as the new Walthers cars". It appears to me they are but I don't know enough about them.
Jon Miller AT&SF For me time has stopped in 1941 Digitrax, Chief/Zephyr systems, JMRI user NMRA Life member #2623 Member SFRH&MS