We always figured it would happen but here’s the first one I’ve spotted;

https://m.ebay.co.uk/itm/Rolex-GMT-M...53.m1438.l2649

It’s not the cheapest Batman on the site so it might be difficult to judge if it still gets a lot of interest. I think a lot of people will watch the auction out of curiosity so the number of watchers might distort the actual number of serious buyers for the watch, not that that’s really indicative anyway. If it sells quickly, it will be back to the drawing board for the ADs.