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| A Hudson River Valley Map powder horn carved and signed by Daniel Campbell and dated 1759; image courtesy of Greg Martin Auctions.; |
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| Detail of Daniel Campbell Hudson River powder horn; image courtesy of Greg Martin Auctions.; |
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| Detail of Daniel Campbell Hudson River powder horn showing crown and drums; image courtesy of Greg Martin Auctions.; |
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| Reverse side of Daniel Campbell's carved and dated Hudson River Valley Map powder horn; image courtesy of Greg Martin Auctions.; |
