Possibly Unique or Nearly So
$500 18__ Weybosset, Rhode Island, Proof, Extremely Fine

The bank was incorporated in 1831 and remained in business until becoming the Weybosset National Bank of Providence in 1865. Portrait at top center, allegorical female at upper left with sailing ships in the background. Imprint of Topper, Carpenter, Casilear & Co. along the left edge.
Unbearably rare and a $500 Proof design as well.