As of my last knowledge update in January 2022, there isn't a widely recognized 1870-S Indian Princess Head Gold $3 coin.
The Indian Princess Head Gold $3 series was minted from 1854 to 1889, and the 1870-S date is notably absent from official mint records.
If there were to be a claim of a unique 1870-S Indian Princess Head Gold $3 coin, it would be crucial to carefully authenticate and verify its provenance.
Numismatic experts, grading services, and reputable dealers play an essential role in assessing the authenticity and rarity of such coins.
The absence of an 1870-S $3 gold coin in official mint records could suggest that if such a coin exists, it might be a pattern, experimental strike, or possibly an error.
Numismatists and collectors are often intrigued by coins with unique characteristics, and discoveries of previously unknown issues can significantly impact the understanding of a coin series.
For the latest and most accurate information regarding specific coins or discoveries, it's recommended to consult with reputable numismatic sources, auction houses, or relevant institutions specializing in coin authentication and historical documentation.
Additionally, contacting major numismatic organizations or experts in the field of early American gold coins may provide further insights into the potential uniqueness of an 1870-S Indian Princess Head Gold $3 coin.
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