Looking for a spider dial, it would be better if it's a higher grade one yet beyond usably damaged, I've been working towards restoring these and want to start with a bad one


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There are these on eBay for $35 including shipping, yet the NCB marking doesn't exist on the Constellation spider dials, so ideally I want a spider dial that doesn't have NCB in the back, in case there are different manufacturers for these spider dials that used different materials to make them