PMD. Notice the edge pictures where there is the slightest band of plating in the center? Someone polished or sanded the rims to remove the copper plating.
@Spruett, http://www.lincolncentresource.com/...anchets.html I had to look it up, but the existence of a type two zinc planchet suggests it gets plated after they're upset.
@Spruett, http://www.lincolncentresource.com/...anchets.html I had to look it up, but the existence of a type two zinc planchet suggests it gets plated after they're upset.