Inspected my Roty medal under a digital microscope

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dxd1995
dxd1995 Posts: 52 ✭✭✭
in World & Ancient Coins Forum

Today I had a look at my newly acquired medal under a digital microscope. Pretty amazing what this 80-dollar device can do. I saw many tiny little holes/cavities on the surface of the medal. Does it mean this medal is cast rather than striked? However if I remembered correctly, nearly all French art/commemorate medals in this era with similar size (50mm diameter) should be striked medal...






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  • pruebas
    pruebas Posts: 5,284 ✭✭✭✭✭
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    Could be a sandblasted finish?

    Or perhaps struck on a cast planchet?

  • dxd1995
    dxd1995 Posts: 52 ✭✭✭
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    Or perhaps struck on a cast planchet?

    Is it possible that the die is cast?

  • harasha
    harasha Posts: 3,116 ✭✭✭✭✭
    edited September 10, 2023 5:00AM
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    Well, first of all, I was surprised to see a reference to Oscar Roty. I can't see enough postings about medals on the Forum, let alone the aforementioned Roty. I would make the comment, however, that microscopic viewing has important, but limited purposes. Never thought about the finishes on the medal, but I suspect that Pruebas has it correct about it being a sandblasted finish.

    Honors flysis Income beezis Onches nobis Inob keesis

    DPOTD
  • dxd1995
    dxd1995 Posts: 52 ✭✭✭
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    @harasha Thank you very much for your reply! Could you please give me some examples of sandblasted finish coins or medals?

  • cacheman
    cacheman Posts: 3,132 ✭✭✭✭
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    Just about any struck silver medals by Goetz . Many examples can be found at (http://CoinArchives.com) by searching on 'Goetz'.

    karlgoetz.com
    karlgoetzmedals.com

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