Discover the rich history, hidden symbolism, and fascinating secrets behind the most influential currency in the world.
From colonial currency to the world's dominant reserve currency, explore the evolution of American money.
Massachusetts Bay Colony issues the first paper money in the American colonies to pay soldiers fighting in King William's War.
The Continental Congress authorizes the issuance of Continental Currency to finance the Revolutionary War.
Congress passes the Coinage Act, establishing the U.S. Mint and creating a national monetary system based on the dollar.
The U.S. Treasury issues Demand Notes, the first federally issued paper currency, to finance the Civil War.
The Federal Reserve System is established, creating a central banking system and Federal Reserve Notes.
Currency size is reduced to its current dimensions, and a standardized design is adopted for all denominations.
The national motto is added to paper currency for the first time, appearing on the $1 Silver Certificate.
The first colorized $20 bill is introduced with enhanced security features, marking a new era in currency design.
Discover the rich symbolism and hidden meanings behind every element of the one-dollar bill.
Based on Gilbert Stuart's unfinished 1796 "Athenaeum Portrait," this iconic image has graced the $1 bill since 1869.
The green seal on the right represents the U.S. Department of the Treasury, which oversees the Bureau of Engraving and Printing.
Each bill has a unique 11-character serial number providing information about where and when it was printed.
The unfinished pyramid and Eye of Providence carry rich symbolic meaning about America's founding ideals and future aspirations.
Modern U.S. currency incorporates multiple sophisticated security features to prevent counterfeiting.
A thin embedded strip runs vertically through each bill. When held to light, the thread displays the denomination and "USA." Under UV light, each denomination glows a unique color—$5 blue, $10 orange, $20 green, $50 yellow, $100 pink.
All DenominationsA faint image matching the bill's portrait becomes visible when held up to light. This watermark is embedded into the paper during manufacturing and cannot be replicated by standard printing techniques.
$5 and HigherThe numeral in the lower-right corner shifts from copper to green when the bill is tilted. This optically variable ink (OVI) uses microscopic metallic flakes that reflect light differently at various angles.
$10 and HigherTiny text, readable only with magnification, appears throughout the bill. On the $100, "THE UNITED STATES OF AMERICA" is printed on Franklin's collar at a size nearly impossible to replicate with copiers.
All DenominationsU.S. bills are printed on a special 75% cotton and 25% linen blend, giving them a distinctive texture. Red and blue security fibers are randomly embedded throughout the paper during manufacturing.
All DenominationsInk is applied at 10,000 PSI of pressure, creating raised ridges you can feel with your fingernail. This tactile quality on portraits and borders is impossible to replicate with standard printers.
All DenominationsA blue ribbon woven directly into the $100 bill contains images of bells and "100s" that shift and move as you tilt the note. This feature uses over 650,000 micro-lenses embedded in the ribbon.
$100 OnlyOn the $100 bill, a copper-colored inkwell contains a bell that changes from copper to green when tilted. The bell appears to disappear and reappear within the inkwell as you move the note.
$100 OnlyIntricate patterns of fine lines behind portraits and around borders create detailed backgrounds. These guilloche patterns are extremely difficult to reproduce accurately and appear blurred on counterfeits.
All DenominationsSurprising trivia and record-breaking facts about U.S. currency that will change how you see money.
The Bureau of Engraving and Printing produces billions of notes annually at two facilities: Washington D.C. and Fort Worth, Texas. Production varies by Federal Reserve demand.
Each note costs between 7.7¢ ($1 and $2) and approximately 19¢ ($100) to produce.
ProductionAverage circulation life before retirement. The $100 lasts 22.9 years.
Times a bill can be folded before tearing at the crease.
Every U.S. bill measures exactly 6.14" × 2.61" and weighs approximately 1 gram. A stack of 233 bills equals one inch. One million dollars in $100 bills weighs 22 pounds and fits in a standard briefcase. Single bill thickness: 0.0043 inches.
SpecificationsThe U.S. once printed $500, $1,000, $5,000, $10,000, and even $100,000 bills.
The $100,000 Gold Certificate featured Woodrow Wilson and was used only between Federal Reserve Banks. All discontinued in 1969.
HistoryStudies show most U.S. bills contain trace amounts from handling and currency-counting machines.
Look closely at the upper right corner of the $1 bill, near the "1" on the shield. Some people claim to see a tiny owl or spider hidden in the intricate design. Most experts believe this is simply a printing artifact rather than an intentional design element—but the mystery endures.
MysteryU.S. paper currency earned this iconic nickname from the green ink used on the back of notes since 1861. The color was chosen because cameras of that era couldn't photograph the specific pigment, making counterfeiting significantly more difficult. Green also symbolized stability and trust.
EtymologyThe intricate 65-step process of creating U.S. currency, from specialized paper to finished bills.
Crane & Co. produces currency paper from 75% cotton and 25% linen rags in Dalton, Massachusetts. Red and blue security fibers are woven into the paper during manufacturing.
The subtle background colors are applied first using offset lithography. Multiple sheets are printed simultaneously, with precise registration to ensure perfect alignment.
Steel plates engraved by master craftsmen apply the main images at pressures up to 10,000 pounds per square inch, creating the distinctive raised feel of currency.
Currency Overprinting Processing Equipment (COPE) and Large Examining Printing Equipment (LEPE) add serial numbers, Federal Reserve seal, and Treasury seal.
Sophisticated electronic inspection systems examine each note at high speed, detecting imperfections invisible to the human eye. Defective notes are shredded.
Sheets of 32 or 50 notes (depending on denomination) are cut, stacked into "bricks" of 4,000 notes, and wrapped for delivery to Federal Reserve Banks for distribution.
Discover the hidden details, symbols, and mysteries embedded in the design of U.S. dollar bills.
The number 13, representing the original colonies, appears repeatedly throughout the $1 bill's design—far more than most people realize.
These instances were intentionally incorporated by the Founding Fathers to honor the original 13 colonies that declared independence.
Special serial numbers, error bills, and rare notes that collectors treasure and pay premium prices for.
Explore the different bill denominations currently in circulation and their featured historical figures.
George Washington (1732-1799)
First President. The most produced denomination. Features the Great Seal on reverse. Lifespan: 6.6 years. Costs 7.7¢ to produce.
Thomas Jefferson (1743-1826)
3rd President, author of Declaration of Independence. Often mistakenly thought to be rare but still printed. Features "Signing of the Declaration" on reverse. Many kept as lucky charms.
Abraham Lincoln (1809-1865)
16th President who preserved the Union. Features the Lincoln Memorial on reverse. Security thread glows blue under UV light. Lifespan: 4.7 years.
Alexander Hamilton (1755-1804)
First Treasury Secretary, never President. One of two non-presidents on circulating notes (with Benjamin Franklin on the $100). Features U.S. Treasury building. Hamilton helped establish the financial system.
Andrew Jackson (1767-1845)
7th President, ironically opposed paper currency. Most frequently requested at ATMs. Features the White House on reverse. Most counterfeited inside the U.S. Lifespan: 7.8 years.
Ulysses S. Grant (1822-1885)
18th President, Civil War general. Features the U.S. Capitol building on reverse. Security thread glows yellow under UV. Only 6% of printed currency. Lifespan: 12.2 years.
Benjamin Franklin (1706-1790)
Founding Father, inventor, diplomat—never President. Features Independence Hall. Most advanced security features including 3D ribbon. Most common denomination outside U.S. Lifespan: 22.9 years. Costs approximately 19¢ to produce.