US Notes

The Series 1880 $100 United States Note: Legal Tender Giants and Their Surviving Population

The Series 1880 $100 United States Note stands among the most visually striking large-size legal tender issues ever produced by the U.S. Treasury, combining bold design elements with a fascinating array of signature combinations and seal varieties. Understanding the surviving population, key varieties, and what separates a common circulated example from a true condition rarity is essential knowledge for any serious large-size note collector.

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The Series 1966A $100 United States Note Red Seal: The Rarest of the Last Legal Tender Issues

The Series 1966A $100 United States Note stands as one of the most elusive and historically significant pieces of 20th-century American paper money, with a print run so small it dwarfs even many 19th-century rarities. Understanding what makes this note scarce, how to authenticate it, and where it fits in the grand arc of Legal Tender history can transform how you approach high-denomination collecting.

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