Recent Articles by this Author
Rare Coins Worth Money You Can Find in Pocket Change
By Tyler Rossi for CoinWeek .....
What to Look for in Pocket Change and While Coin Roll Hunting
Coin collectors often start with the simplest source...
The Boston Mint and the First Colonial Coins
By Tyler Rossi - Updated and reformatted by CoinWeek, March 2026
Why the Massachusetts Bay Colony Began Striking Its Own Coins in 1652
How did the...
Collect This: The Fabulous Italian 500 Lire Silver Coin
By Tyler Rossi for CoinWeek ..... Updated and Reformatted Feb 2026
Italy’s 500 Lire “Caravelle” Silver Coin: History, Design, and Value
A Modern Classic of Post-War...
Patina on Ancient Bronze Coins
Original By Tyler Rossi for CoinWeek ..... Reformatted and updated by CoinWeek
Understanding Patina on Ancient Coins: Types, Formation, and Collector Value
Unlike modern coins, ancient...
Ten Worst 50 State Quarter Designs
By Tyler Rossi for CoinWeek .....
The 50 State Quarter Program, which ran from 1999 through 2008, was a wildly popular circulating commemorative program that...
Top 10 Most Controversial US Coins
By Tyler Rossi for CoinWeek ..... Updated and reformatted Jan 2026
The 1933 Saint-Gaudens $20 Gold Double Eagle
Sold in 2021 for $18.87 million USD, the...
Ten Extreme U.S. Error Coins
By Tyler Rossi for CoinWeek ...Updated Dec 2025...
1) 2000-P Sacagawea Dollar and Washington Quarter Mule
Described as the holy grail of United States Mint errors,...
Coins Circulating at the Time of Jack the Ripper
By Tyler Rossi for CoinWeek .....
Over the past seven years, it seems as if true crime and serial killer podcasts have become ingrained in...
Top 10 Military Figures on US Coins
By Tyler Rossi for CoinWeek .....
Popular with many collectors, military themes adorn several United States coins (especially commemoratives), tokens, and currency notes. The following...
10 Unusual World and U.S. Coins and Patterns
By Tyler Rossi for CoinWeek and updated.....
People have been striking coins for almost 3,000 years, and the vast majority of coinage minted during that...
A Collectible Counterfeit? The Story of Henning Nickels
By Tyler Rossi for CoinWeek .....
A few years ago, I decided to start coin roll hunting, and with $25 I opened an account at...
Ten Powerful and Beautiful Women on Coins
By Tyler Rossi for CoinWeek .....
Janina Żółtowska
The first woman on this list, depicted on the Polish 2, 5, and 10 Zlote coins between 1932...
The Unorthodox Tetradrachm of Perseus
By Tyler Rossi for CoinWeek .....
Supposedly the bastard child of King Philip V of Macedon, Perseus was born in 212 BCE. But much of...
10 Coins Worth More Than Face Value You Can Find in Change
By Tyler Rossi for CoinWeek .....
1982 No P Roosevelt Dime
In 1982, the United States Mint released the first circulation coin that did not bear...
Haloes on Ancient Coins
By Tyler Rossi for CoinWeek .....
In various forms, the halo is a ubiquitous religious symbol. While most commonly seen in religious contexts such as...
Pegasus on Ancient Greek Coins
By Tyler Rossi for CoinWeek .....
As one of the most famous and recognizable mythical figures from the ancient Greco-Roman world to have survived into...
Collecting the Canadian $2 Coin
By Tyler Rossi for CoinWeek .....
The date? February 19, 1996. The location? Ben’s Deli in Montreal. The plot line? The official launch of Canada’s...
The Coins of Portuguese Mozambique, Part 2
By Tyler Rossi for CoinWeek .....
Part 1 | Part 2
* * *
While Portugal originally claimed a massive swath of Africa--from Angola on the west...
The Coins of Portuguese Mozambique, Part 1
By Tyler Rossi for CoinWeek .....
Part 1 | Part 2
* * *
Portugal’s first contact with East Africa was during the "Age of Exploration" in...
What Makes the Most Expensive Ancient Coins So Valuable
By Tyler Rossi for CoinWeek .....
As someone working in the field of "pre-modern numismatics" at NAC USA, I have the extremely rare opportunity to...



























