Questions and Discussions Regarding Authenticity

Topics

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[1] Cleaning verdigris from bronze medals

[2] Definitive method for K. Goetz authentication?

[3] Ebay seller "numismatic-antiquarian"

[4] Zinc-tin copies of Ludwig Gies medals

[5] Last Goetz Die/Hub Auction

[6] The Bavarian Mint and Goetz Medals

[7] What's going on with the Heritage 4/23/13 Goetz Auction?

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