David Mitchell
Biography:
David Mitchell is a highly respected numismatist and data technology expert. He has a rich background in ancient coinage and modern computational techniques. He holds a Bachelor's degree in Classical Studies and a Master's degree in Data Science from the University of Oxford. Throughout his career, David dedicates himself to combining the study of coins with advanced data science. He is a Certified Numismatic Expert (CNE) and a Professional Data Analyst (PDA).
Professional Achievements:
Led the development of advanced algorithms for Coin ID Scanner, improved the app's accuracy in detecting and appraising coins from various historical periods.
Implemented a machine learning framework to enhance the app's ability to predict coin values based on historical data, resulting in a 50% increase in user satisfaction.
Publications:
David has authored numerous articles on the synergy between numismatics and data science, with his work in "Numismatic Technology Journal" and "Data Science Applications". He co-authored "Digital Numismatics: The Future of Coin Analysis". It is a seminal work for academic and practical audiences.
Projects:
Launched the "Global Coin Archive" project, in collaboration with international museums and numismatic institutions, to expand the database of Coin ID Scanner and improve its recognition capabilities.
Developed a project in partnership with economic historians to integrate macroeconomic data into the app’s valuation algorithms.
Participation in Events:
Keynote speaker at the International Numismatic Conference, discussing innovations in data technology applied to coin analysis.
Facilitated numerous workshops at the "Technological Advances in Numismatics" symposium.
Feedback and Recommendations:
David Mitchell is widely acknowledged. His efforts have greatly enhanced the functionality of Coin ID Scanner and advanced the application of data science in numismatic studies.
Contact Information:
Articles by David Mitchell
Grading and Valuation
AU vs BU Coins: A Quick Guide to AU and BU Grades
When it comes to collectibles, grades are everything. It constitutes the value of each instance, defines its future, and identifies which coins are worth keeping and which ones should be given away.
4 min
Coins Overview
2001 Penny: Values, Errors, and What to Look For
Coins that were minted in the XXI century are rarely considered valuable – it is the fate of the long-gone relics. However, the realm of modern numismatics is quite sophisticated, dazzling with both average units of currency of no particular interest and exclusive coins that may captivate even the most fastidious collectors.
9 min
Coins Overview
1967 American Dime: A Valuable Collectible or Just a Change?
When we think of collectible coins, images of vintage or rare specimens come to mind, but the 1967 US dime often remains in the shadow of its more famous, valuable, and flashy “brethren”.
9 min
Coins Overview
1856 Flying Eagle Cent: Price, Rarity, and Market Insights
These days, even a small and, at first glance, unremarkable coin can hold ineffable value, and the 1856 eagle penny is just as precious as the most sought-after coins in the world. But behind the small cent and its modest denomination is a big history, promising important changes in the American monetary system. Short-lived and never released – this is what identifies this coin as unique and so exclusive.
8 min
Coins Overview
How Much Is Your 1922 Penny Worth? No D, D, and Errors Value Guide
Why Is 1922 No Ordinary Cent Year?
11 min
Coins Overview
1936 Indian Head Nickel Value & Errors
How much is a 1936 Buffalo nickel worth?
8 min
Coins Overview
George Washington Coins (1789–1797): Small Coins, Big Value?
There’s a lot about the George Washington dollar coin 1789 to 1797 value. This is not just a currency. As the first release of the Presidential $1 Coin Program, the 1 dollar coin George Washington holds the honor of being a modern tribute to America’s founding father. And yes — it might be worth far more than a buck.
10 min
Coins Overview
1940 Wheat Penny: Value by Mint Mark + Error Coins Explained
A century ago, there were released numerous peculiar coins that may be worth thousands or even millions of dollars these days. Issued in 1909, the Lincoln cent was no different from its predecessors. Anyway, however valuable it can be considered, newcomers and amateurs easily overlook this numismatic creation and simply give it away further.
8 min
Coins Overview
In Cod We Trust Quarters: 2022–2023 Values Explained
Erroneous coins are one of the most valuable assets that, regardless of their defective appearance, may be quite appealing to collect. While many collectors are familiar with common minting mistakes, the infamous “In Cod We Trust” is the intriguing and frequently talked-about example in recent years.
5 min
Coins Overview
Top 100 Pennies Worth Money: Do You Have One?
A surprising number of one-cent coins have increased in value thanks to minting errors, historical quirks, and sheer rarity. This guide reveals what penny years are worth money — and how to know if you’re holding one of them (with a coin identification app as well).
10 min