80H-d
·Yeah, it's in a weird spot. I looked up the movement on AP's site and there were something like 14000 of these movements produced. I think 150-500 of my tantalum example is a pretty generous estimate for how many were ever made, with the majority of the movements going into ROOs and huitiemes of more traditional metals. So borderline rarity + borderline vintage...it's a borderline judgment call!