United States Dollar
The United States dollar is defined by its global reserve status and its modern Federal Reserve Note series combining conservative design with advanced 3D security technology.
Quick Facts
Country: United States
Code: USD
Symbol: $
System: Decimal (1 Dollar = 100 Cents)
Status: In circulation
Issuer: Federal Reserve System
The Story of the United States Dollar
The United States dollar (USD), established in 1792, remains the central pillar of the global monetary system and is issued today through the Federal Reserve System. Its modern form is embodied in the Federal Reserve Note series, which prioritizes continuity, recognisability and institutional trust. Rather than adopting radical visual changes, the United States maintains a conservative design philosophy, ensuring stability across generations of banknotes. The transition from earlier "Small Head" designs to the modern "Big Face" series beginning in 1996 represents a measured evolution focused on integrating advanced security features without altering the currency’s core identity.
Design & Symbolism
Banknotes of the USD series are produced on a distinctive cotton-linen substrate composed of approximately 75% cotton and 25% linen, supplied by Crane & Co., creating a unique tactile structure and durability. The visual framework centres on presidential portraits and national symbols such as the Great Seal, executed through precise intaglio engraving. Modern high-denomination notes incorporate advanced security elements, most notably the 100-dollar note’s 3D security ribbon, constructed from micro-lens technology that creates dynamic optical movement. Additional features include colour-shifting ink, embedded security threads and dense microprinting, reinforcing the dollar’s position as a benchmark in anti-counterfeiting design.
For collectors
For collectors, the United States dollar offers a structured field built on variation within continuity. Federal Reserve district identifiers (A–L) create multiple versions of each note, forming the basis for district sets. "Star Notes," issued as replacements for defective prints, introduce a distinct layer of scarcity within modern series. UNC examples are valued for their firm paper texture, sharp intaglio detail and the full optical effect of security features, particularly the 3D ribbon, which is highly sensitive to handling.
The United States dollar remains the official currency of the United States and the primary reserve currency in global finance.
