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
Coins Overview
1971 Eisenhower Silver Dollar: Value, Varieties & Collecting Guide
The 1971 Eisenhower Silver Dollar debuted to honor President Dwight D. Eisenhower and the Apollo 11 moon landing. The U.S. Mint struck these coins in 40% silver for special proof sets and silver-clad collector issues. Each example features Eisenhower’s portrait on the obverse and an eagle landing on the moon on the reverse. Collectors prize these early strikes for their historical significance and striking design.
12 min
Coins Overview
$500 Bill: William McKinley Portrait & Current Collector Prices
The $500 bill, also known as the 500 dollar bill, is a pretty rare piece of U.S. currency history. It’s no longer in circulation, which makes the cost go higher, especially if you have rare pieces. Today, surviving examples are highly collectible, with values far exceeding their original face value.
13 min
Coins Overview
2003 Quarters Value: Full Guide to Designs, Worth & Key Dates
In the early 2000s, one of the most successful numismatic programs - 50 State Quarters - was launched in the USA. Within this program 2003 state quarters for 5 states came to light.
12 min
Coin Collecting Tips
Half Dollar Rolls Contain 20 Coins ($10): Including Rare Silver
These coin bundles offer both convenience and value for collectors and casual savers alike. Each wrapper holds twenty pieces with a total face value of $10, making them easy to budget and store.
6 min
Coins Overview
Rare Nickels Worth Money List (2024 Updated) – $10 to $10,000+
Rare nickels capture the imagination of collectors and investors alike. From early 20th-century issues to mid-century war-time varieties, these five-cent pieces carry fascinating stories and hidden value. In this list, you’ll discover the top 25 rare nickels—ranging from the elusive 1913 Liberty Head worth millions to the 1942/1 overdate fetching hundreds or thousands. Along the way, you’ll learn key minting details, grading criteria, and market trends that influence each coin’s price.
11 min
Coins Overview
1880 Morgan Silver Dollar: Complete Value Guide & Rare Varieties
The 1880 Morgan Silver Dollar stands as a hallmark of American coinage. The U.S. Mint struck these coins to meet high demand for silver dollars after the Bland-Allison Act. Collectors prize the classic Liberty profile and robust eagle reverse design. This issue marks a peak period of production in the late 19th century.
10 min
Coins Overview
2024 Patsy Takemoto Mink Quarter Errors and Varieties
This coin is precious. Materially and spiritually. It’s an honorary coin, after all.
9 min
Coins Overview
1948 Roosevelt Dime Value: First Year of New Design
The 1948 Roosevelt dime introduced the new portrait of President Franklin D. Roosevelt, replacing the Mercury design. The U.S. Mint struck coins at Philadelphia, Denver, and San Francisco. Collectors prize the 1948 issue for its place in numismatic history and for early mint-state survivors.
12 min
Coins Overview
Gold Quarters Value Guide: Are They Real or Plated?
Commonly, the face value of a quarter is… well, 25 cents. Yet with a precious material, the value is much higher.
9 min
Numismatic News
Silver Price Predictions 2030: How High Could It Go?
Silver coins are among the most desirable numismatic creations that may captivate the attention thanks to their composition alone. Although it is the appearance that usually boosts the worth of any coin, the influence of precious metals is undeniable, especially when combined with special attributes like minting errors or unique designations.
10 min