british museum electrotypes - SERP Analysis

https://www.britishmuseum.org/collection/term/x6636

https://www.britishmuseum.org/collection/object/G_1913-1119-3

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https://www.britishmuseum.org/collection/object/C_R-12762

https://www.forumancientcoins.com/numiswiki/view.asp%3Fkey%3Delectrotype%26srsltid%3DAfmBOormPNvmm7p3UjwYsEP8MUcrfAE_7EeuiWJ9DRNohiFY52gSzF1j

https://www.britishmuseum.org/collection/object/P_1926-0816-1

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https://www.coinworld.com/news/world-coins/british-museum-was-once-the-source-for-fake-ancient-coins.html