Australia 1958 Melbourne Penny PR UNC
Ex NCG PF63RB grade – sold in non-sealed PCCB slab with original certificate #4475532-002. Ideal for the collector interested in the effects of copper sulfide toning.
Removed from the slab and photographed for a research article. Note the change of colour since it was removed from the slab. The first image from 2019 is below. This is an important fundamental of toning, covered by an article in this link here.
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The copper sulfide layer is thick, given the coin a ruddy brown appearance when viewed away from direct light. However, move strong white light over the coin and watch this Australia 1958 Melbourne Penny PR UNC come alive with colour!
