CoinWeek IQ

With CoinWeek IQ, the editors and writers of CoinWeek dig deeper than the usual numismatic article. CoinWeek IQ provides collectors and numismatists with in-depth information, pedigree histories, and market analysis of U.S. coins and currency.
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United States 1864-S Seated Liberty Quarter

Consumers in San Francisco and along the West Coast were handling a rarity in the mid-1860s. As their counterparts in the east were vanishing from...
Ancient coins: Obverse - GREEK. KINGDOM OF MACEDON. Philip II. (King, 359-336 BC). Posthumous issue, struck 322-317 BC. AV Stater. Images courtesy Atlas Numismatics

Ancient Coin Profiles: Greece – Kingdom of Macedon Gold Stater

Gold Stater Overview: Macedon The Kingdom of Macedon was considered a barbaric place by the cultivated Greeks of Attica (such as the Athenians) and the Peloponnese...

Mexico 2015 Aztec Calendar $100 1 Kilo Silver Coin

One of the most impressive modern coins ever struck, this Mexican $100 Aztec Calendar coin recalls more than a thousand years of national history...

CoinWeek IQ: Collecting Gold Coins: Tips for the Rest of Us

CoinWeek IQ: Analysis and Insights from the editors of CoinWeek.com and the industry's leading experts. Collecting gold coins is a pinnacle activity in our hobby,...
United States 1840-(O) Medium Letters Half Dollar

United States 1840-(O) Medium Letters Half Dollar

When it was opened in 1838, the New Orleans Mint adopted the "O" mintmark in order to differentiate its products from that of the...
United States Series 1953 Federal Reserve $2 and $5 Notes

Series 1953 United States $2 and $5 Notes

In 1953, the United States Bureau of Printing and Engraving (BEP) printed only two United States note denominations: $2 and $5. These notes feature...
United States 1798 Draped Bust Silver Dollar

1798 Draped Bust Dollar, Small Eagle : A Collector’s Guide

Issued only six years after the United States Mint was established by the Coinage Act of April 2, 1792, the 1798 Draped Bust Dollar...
United States 2018 Preamble to the Declaration of Independence: Life Platinum Proof Eagle Coin

United States 2018 Preamble to the Declaration of Independence: Life Platinum Proof Eagle Coin

American Platinum Proof Eagle Description "We hold these truths to be self-evident, that all men are created equal, that they are endowed by their Creator...
United States 1960 Lincoln Cent Overdate Varieties in Proof

1960 Lincoln Cent Overdate Varieties in Proof – Identification Tips and Value | Coinweek

As the much-missed numismatist David Lange wrote in his excellent CoinWeek article, 1960 was a pivotal year for coin collecting in the United States. Rare...
CoinWeek IQ - Intro to Colonial State Copper Coins

CoinWeek IQ – Intro to Colonial State Copper Coinages

Colonial State Coppers by Lianna Spurrier for CoinWeek ..... Colonial coins and Federal issues are entirely different beasts, and when you’re first getting into colonials,...
Ancient Coin Profiles: Silver Stater of Tarsus

Ancient Coin Profiles: Silver Stater of Tarsus

Overview Tarsus Tarsus was an ancient city located on the southern Mediterranean shore of Asia Minor in what is now modern Turkey. It was already ancient...

United States 2016 American Eagle Platinum $100 Proof Coin

Authorized by Section 524 of Public Law 104-284, American Platinum Eagle coins were first issued in 1997. The Proof and bullion coin program was...
United States 1979-S Roosevelt Dime Proof

1979-S Roosevelt Dime Proof : A Collector’s Guide

A modern Proof coin, the United States Mint struck the 1979-S Roosevelt dime for inclusion in the annual Mint Set offered to collectors. Since...
United States 1982-P Roosevelt Dime

1982-P Roosevelt Dime : A Collector’s Guide

President Franklin Delano Roosevelt's portrait on the dime was a fitting choice in 1946. He was a revered figure for many of the "Greatest Generation":...
Ancient Coin Profiles: Roman Gold Aureus of Julius Caesar

Ancient Coin Profiles: Roman Gold Aureus of Julius Caesar

Overview Julius Caesar The Roman general and dictator Julius Caesar is still famous over 2,000 years after his death, though most people are probably more familiar...

Ancient Coin Profiles: Byzantine Empire – Manuel I Aspron Trachy

Overview In 1092 CE, the Byzantine emperor Alexius I Comnenus enacted sweeping coinage reforms. He stopped production of previous denominations and introduced five new ones:...
United States 1988-P Roosevelt Dime

1988-P Roosevelt Dime : A Collector’s Guide

The 1988-P Roosevelt Dime Was Struck in Large Quantities Nine years after adopting the P mintmark, the Philadelphia Mint was on a roll. In fact,...
United States 1925 Lincoln Cent

United States 1925 Lincoln Cent

1925 represented a 31% drop in output from the previous year’s total production at the Philadelphia Mint. Despite producing a fraction of the previous...
United States 1926 American Independence Sesquicentennial Commemorative Quarter Eagle

United States 1926 American Independence Sesquicentennial Commemorative Quarter Eagle

Americans of the 1920s seemed so preoccupied with enjoying the present that celebrating the past was destined to take a back seat. Even so,...

United States 2003-P Washington Quarter Dollar / Alabama State Quarter

The 50 State Quarters Program The Washington quarter was introduced in 1932 and was intended to be a one-year circulating commemorative coin struck to honor...

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