Friedberg Numbers

The Series 1886 $1 Silver Certificate Martha Washington: The Only Woman Ever Portrayed on a Small-Denomination US Note

June 15, 2026June 15, 2026 by

The Series 1886 $1 Silver Certificate stands alone in American currency history as the only small-denomination note to feature a woman’s portrait, showcasing Martha Washington in stunning engraved detail. Understanding its varieties, signature combinations, and grading challenges is essential knowledge for any serious collector of Nineteenth Century paper money.

The Series 1880 $20 United States Note: Large-Size Legal Tender Giants and Their Surviving Populations by Grade

June 20, 2026June 15, 2026 by

The Series 1880 $20 United States Note stands among the most visually commanding large-size legal tender issues ever produced, featuring multiple signature combinations, shifting seal colors, and a surviving population that tells a fascinating story of attrition and rarity. This deep-dive examines every major variety, their census populations across grades, and what collectors should know before pursuing one of these magnificent nineteenth-century giants.

The Series 1891 $1 Silver Certificate: Stanton, Martha Washington, and the Transition Between Portrait Subjects

June 15, 2026June 15, 2026 by

The Series 1891 $1 Silver Certificate stands at a fascinating crossroads in American currency design, featuring two entirely different portrait subjects across its signature combinations. Understanding the shift from Edwin M. Stanton to Martha Washington reveals as much about political priorities as it does about numismatic treasure.

Grading Large-Size Gold Certificates: Why Condition Rarity Drives Value More Than Issue Rarity

June 15, 2026June 15, 2026 by

A Gold Certificate with a modest print run can be worth less than a common-issue note in superb gem condition, and understanding why requires a deep dive into the grading nuances unique to this series. This guide breaks down the specific wear patterns, paper quality factors, and population data that make condition the dominant force in large-size Gold Certificate valuations.

Small-Size Gold Certificates Series 1928: The Short-Lived Yellow Seal Notes That Defined an Era

June 15, 2026June 15, 2026 by

The Series 1928 Gold Certificates represent one of the most historically charged issues in all of American paper money, printed and recalled within a single decade as the nation abandoned the gold standard. From the vivid yellow Treasury seals to the specific signature combinations that make certain notes scarcer than others, this guide covers everything a collector needs to know about these fascinating notes.

The Series 1929 $10 Federal Reserve Bank Note Brown Seal: A District-by-District Population Survey

June 15, 2026 by

The Series 1929 $10 Federal Reserve Bank Note remains one of the most systematically collectible small-size issues, with striking population disparities between the twelve Federal Reserve districts. This district-by-district survey arms collectors with the print run data, signature combinations, and market realities needed to build a meaningful set.

The Series 1880 $1 United States Note: Large Seal vs. Small Seal Varieties and the Signature Combinations That Separate Them

June 15, 2026 by

The Series 1880 $1 United States Note presents collectors with one of the most fascinating variety puzzles in large-size currency, where seal size and signature combinations create a hierarchy of rarity that spans from readily available to genuinely elusive. Understanding exactly which seal type pairs with which signatures, and what those distinctions mean for grading and value, can make the difference between a savvy buy and a costly mistake at auction.

The PMG Population Report: Using Census Data to Find Conditionally Rare Notes

June 15, 2026 by

The PMG Population Report is one of the most powerful and underused tools in a currency collector’s arsenal, revealing which notes are genuinely scarce in top grades versus merely old. This guide shows you exactly how to read pop report data, identify conditionally rare opportunities, and build a smarter collection using real census numbers.

The Indian Chief Vignette on $5 and $10 Silver Certificates: How Native American Imagery Was Used and Later Retired

June 15, 2026June 15, 2026 by

Among the most visually striking notes in all of American paper money history, the $5 and $10 Silver Certificates featuring Native American portrait vignettes occupy a unique and contested place in numismatic lore. This deep dive explores the origins, printing history, signature combinations, and collector market for these iconic 19th-century issues.

The Series 1907 $20 Gold Certificate: The Large-Size Porthole Note That Collectors Overlook in Favor of the $10 Version

June 15, 2026June 15, 2026 by

The Series 1907 $20 Gold Certificate features one of the most striking portrait designs in all of large-size US currency, yet it consistently plays second fiddle to its $10 counterpart in collector circles. This deep-dive reveals why the $20 deserves a second look, covering its design history, signature varieties, grading realities, and why current market pricing may represent a genuine opportunity.