On Tue, Nov 3, 2020 at 09:49 PM, David Holden wrote:
FWIW, the data sheet mentions that the 715600-716499 series had CTSE reporting marksBut I think this changed over time.
716296 photo at LaCrosse March 1941 with CTSE reporting marks.
716495 with 6-54 reweigh date has MILW.
Unfortunately I can't check these in the ORER at this time.