The Numismatic Detective Agency
The Numismatic Detective Agency
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Tracking down coins and their stories.

Tracking down coins and their stories.Tracking down coins and their stories.Tracking down coins and their stories.

Tracking down coins and their stories.

Tracking down coins and their stories.Tracking down coins and their stories.Tracking down coins and their stories.

Check out our blog!

The Numismatic Detective Agency Blog

Services we Provide

Coin Reports

Purchase & Sales Negotiation

Coin Reports

The ultimate combination of provenance research and Condition Census listings.

Coin Search

Purchase & Sales Negotiation

Coin Reports

Desiring a coin and finding it are two different stories. We know where many of the top coins are located and we can help you find that special coin.

Purchase & Sales Negotiation

Purchase & Sales Negotiation

Purchase & Sales Negotiation

We can represent you in buying and selling negotiations at all levels.

Provenance Research

It's critical to know the history of the coin you are about to purchase or sell.

Prior Ownership

Prior Ownership

Prior Ownership

Famous pedigrees are frequently omitted, lost, or forgotten. Our research adds value by re-linking coins to famous (and not-so-famous) collections.

Grade History

Prior Ownership

Prior Ownership

Grades on individual coins do go up (frequently) or down (rarely) and they can vary from one service to another. We provide you with the unvarnished history of the coin you are about to buy or sell.

Price History

Prior Ownership

Price History

We arm you with up-to-date, comparable sales prices so you can make data-driven decisions when buying or selling.

Condition Census Listings for...

Individual Coins

Individual Coins

Individual Coins

Our rankings show where your coin fits among the finest examples.

Coin Types

Individual Coins

Individual Coins

We offer the only Condition Census rankings available for type coins.

Contact us for a free initial consultation and a full list of services and fees.

Contact Us

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Ron Guth, Chief Investigator

4640 Cass Street #9142, San Diego, CA 92169, United States

ron@numismaticdetectives.com (858) 220-5775

Copyright © 2020 The Numismatic Detective Agency - All Rights Reserved.