marblemanvintagemarbles Posted April 4 Report Share Posted April 4 Very Reactive under UV light. Uranium. 1 Link to comment Share on other sites More sharing options...
Fire1981 Posted April 4 Report Share Posted April 4 Probably a Vitro🔥 RAR 1 1 Link to comment Share on other sites More sharing options...
akroorka Posted April 4 Report Share Posted April 4 Image seven shows the ¾” rule when trying to determine Akro vs Master. Master shows up as a ¾ coverage and Akro is more 50/50 in coverage. My vote is Master. I appreciate all opinions and hope to see some more. Marble—On! 1 Link to comment Share on other sites More sharing options...
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