
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.
Articles by David Mitchell
Coins Overview
1974 Dollar Coin Value: P, D & S Mint Marks Compared (Key Varieties)
Many ask, "is a 1974 dollar coin worth anything beyond face value?", and for most, the answer is only slightly more.
Coins Overview
1922 Peace Dollar Value: Why the 1922-D Is the Key Date (P vs. D Comparison)
Here's a short list of essential advice for coin collectors
Coins Overview
1999 Dollar Coin Value: P & D Mint Marks Compared (Circulated to Proof)
What do you know about the silver dollar coin 1999 (meaning silver-colored one), better known as Susan B. Anthony Dollar? After a nearly twenty-year break, the dollar depicting the women's rights activist is back in circulation, attracting interest from collectors and citizens alike.
Coins Overview
1921 Dollar Coin Value: How Much Are Your Morgan & Peace Dollars Worth?
The 1921 $1are of interest to numismatists for a reason: it is the only year when two different types of silver coins were issued simultaneously - Morgan and Peace, which determines the high historical value of 1921 dollar coin value.
Coins Overview
1980 Quarter Coin Value: No Mint Mark & Rare Errors
You’ve just emptied your pockets, and there it is — a 1980 Washington quarter, worn but sturdy, the kind you’ve seen countless times. But could this coin be hiding more value than you think?
Coins Overview
1980 Dollar Coin Value: How Much Is Your Susan B. Anthony Worth?
A wise collector knows the worth of their collection. Especially if what you’re collecting is the money itself.
Coins Overview
1950 Wheat Penny Value: Why Full Red Coins Sell for $200+
When it comes to classic American coinage, few coins resonate with collectors quite like the 1950 lincoln wheat penny—and this year’s issue stands out in subtle but significant ways. Though many of 1950 one cent penny samples are still circulating in old jars or handed down through generations, some examples, particularly those with a pristine red luster, are commanding attention (and big money) in today’s market. But why does a coin that’s technically worth one cent fetch $200, $500, or even over $10,000 at auction?
Coins Overview
1949 Penny Value: How Much Is Your Wheat Cent Worth? (P, D & S Mint Marks)
Important Notes on Value:
Coins Overview
1972 Dollar Coin Value: How Much Is Your Eisenhower Worth? (Silver & Clad Types)
The Eisenhower dollar joined the U.S. coin family in 1971, produced by the United States Mint. In 1972, the mint struck a special edition honoring President Eisenhower and the Apollo 11 moon landing, featuring a bold design with an eagle clutching an olive branch. Its large size and historical significance make it highly sought after by coin dealers and collectors alike. Many enthusiasts prize these pieces for their rich backstory and enduring legacy.
Coins Overview
1979 Susan B. Anthony Dollar Value: Narrow Rim vs. Wide Rim Varieties
When the United States Mint launched the 1979-d Susan B. Anthony dollar coin, it broke new ground—historically and numismatically. For the first time in U.S. history, a real woman, famed suffragette Susan B. Anthony, appeared on a circulating American coin. It was a milestone in cultural representation, but the reception was mixed. Despite its historical importance, it was minted only from 1979 to 1981, and again briefly in 1999.