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Coin authentication. Braunschweig-Calenberg-Hannover 2/3 Taler 1807 GM Georg III

Hello Dear colleagues.
I created this topic to listen to your professional and independent opinion about the authenticity of Brunswick-Lüneburg 2/3 Thaler 1807 Georg III.
My position is to defend in principle that the coin is genuine. The coin was found with a metal detector. Single-stamp coins in comparison will also be shown in the photos. The coin was successfully slabbed in NNR, but the RNGA said not genuine (without explaining the reasons). I will be glad of your professional opinions






NNR - sayd GENUINE, RNGA sayd NOT GENUINE

And the comparison of this coin with similar single-stamp:




Comments

  • bidaskbidask Posts: 14,052 ✭✭✭✭✭

    Send it to PCGS and see what they say

    I manage money. I earn money. I save money .
    I give away money. I collect money.
    I don’t love money . I do love the Lord God.




  • lordmarcovanlordmarcovan Posts: 44,081 ✭✭✭✭✭

    What are NNR and RNGA?

    I'm not seeing any photos.

    Collector since 1976. On the CU forums here since 2001.

  • tcollectstcollects Posts: 1,139 ✭✭✭✭✭

    @lordmarcovan said:
    What are NNR and RNGA?

    I'm not seeing any photos.

    Russian NGC and PCGS

  • lordmarcovanlordmarcovan Posts: 44,081 ✭✭✭✭✭

    I see the photos now. They weren't showing up when I was online from work.

    Collector since 1976. On the CU forums here since 2001.

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