Aside from the fact that it's polished, thoughts? https://www.ebay.com/itm/Very-Rare-Vintage-1950-s-Universal-Geneve-Polerouter-Broad-Arrow-Cal-215/163521803371?hash=item2612a8b46b:gIgAAOSw66JcVaUo&LH_BIN=1&LH_ItemCondition=3000
There are a couple of examples of an non-lumed ring in this thread: https://omegaforums.net/threads/discussion-on-broad-arrow-polerouters.22637/page-2
I believe one of the arguments is that a Polerouter can have a lured chapter ring and no BA hands, but not the other way around. But what do I know