Raw vs Slabbed Coins | What Collectors Need to Know

What Is a Raw Coin?

A raw coin is an ungraded coin — one that has not been submitted to a third-party grading service such as PCGS or NGC. Raw coins may be in original uncirculated condition or heavily worn, and they may be housed in simple coin flips, cardboard holders, or nothing at all.

What Is a Slabbed Coin?

A slabbed coin is one that has been graded, authenticated, and encapsulated by a third-party grading service in a tamper-evident plastic holder — the "slab." The slab carries a grade on the Sheldon scale (from 1 to 70) and the grading service's authentication guarantee.

The major grading services are PCGS (Professional Coin Grading Service) and NGC (Numismatic Guaranty Company). Their grading standards are explained at PCGS.com and NGC's grading guide.

Advantages of Slabbed Coins

Authentication — The grading service guarantees the coin is genuine.
Grade certainty — You know exactly what grade the coin received from an expert evaluation.
Easier resale — Slabbed coins are more liquid in the market because buyers trust the grade.
Protection — The slab physically protects the coin from handling and environmental damage.
Premium for key dates — For valuable coins, a PCGS or NGC slab can significantly increase value.

Advantages of Raw Coins

Lower cost — Raw coins typically sell at lower premiums than equivalent slabbed examples.
Opportunity for experienced buyers — Knowledgeable collectors can find undergraded raw coins and realize significant value by submitting them.
Completeness — Some collectors prefer original, unaltered coin presentation for type sets.
No submission cost — Slabbing a coin costs money; buying raw avoids that expense.

Risks of Buying Raw Coins

The primary risk of buying raw coins is authenticity and grade uncertainty. Without a third-party opinion, you are relying entirely on the dealer's expertise and your own. For common, low-value coins, this risk is minimal. For rare dates, key issues, or coins in higher grades, it is significant.

Counterfeit coins, cleaned coins passed as original, and overgraded coins are all risks in the raw market. Our counterfeit detection guide covers how to spot common fakes.

When to Buy Raw

Common coins in lower grades where grading fees exceed the coin's value
Coins you intend to have graded yourself
Purchases from trusted, long-standing dealers with strong return policies
Coins for type sets where exact grade matters less

When to Buy Slabbed

Key dates, rarities, or high-value coins
Coins you are buying primarily for investment
Coins you intend to resell in the near term
Any situation where you are uncertain of your own grading ability

Raw vs Slabbed Coins: What Collectors Need to Know