Should I Grade My Coin? When Coin Grading Is Worth It (And When It Isn’t)
Many collectors eventually ask the same question: Should I grade my coin?
Professional coin grading can increase buyer confidence, improve marketability, and in some cases significantly increase a coin’s value. However, grading is not always the right decision for every coin.
Understanding when grading makes sense can save collectors money while helping them maximise the value of their collections.
What Does Coin Grading Do?
Professional grading companies such as NGC and PCGS authenticate, attribute, and evaluate a coin’s condition. The coin is then sealed in a tamper-evident holder, commonly known as a slab.
A graded coin benefits from:
- Professional authentication
- Standardised condition assessment
- Increased buyer confidence
- Better protection
- Easier resale
- International market recognition
For many collectors, grading provides peace of mind that their coin is genuine and accurately described.
When Coin Grading Is Usually Worth It
1. Valuable Coins
If a coin is worth several hundred pounds or more, grading is often a worthwhile investment.
Examples include:
- Gold coins
- Rare British coins
- Key-date modern coins
- Ancient gold coins
- Rare Roman and Greek coins
- High-grade silver crowns
A graded coin can often attract more bidders and stronger prices when sold.
2. Coins You Plan to Sell
Many buyers prefer certified coins because they reduce uncertainty.
This is particularly important when selling online, where buyers cannot examine the coin in person.
Graded coins frequently sell faster than raw coins because authenticity and condition have already been verified.
3. Rare Ancient and Islamic Coins
Ancient and Islamic coins can benefit greatly from professional authentication.
Collectors often seek:
- NGC Ancients graded coins
- Certified Roman coins
- Certified Greek coins
- Graded Islamic dirhams
- Authenticated Parthian coins
- Certified Sasanian drachms
For rare pieces, authentication alone may justify the grading fee.
When Coin Grading May Not Be Worth It
1. Common Low-Value Coins
If a coin is worth £10–£30, grading fees may exceed the value gained from certification.
In many cases, the grading cost, shipping, and insurance can represent a large percentage of the coin’s total value.
2. Heavily Worn Coins
Very worn or damaged coins may not see a significant increase in value after grading.
Although authentication can still be useful, collectors should consider whether certification costs are justified.
3. Modern Coins With Large Mintages
Many modern coins were produced in huge quantities. Unless the coin has exceptional condition, rarity, or a recognised variety, grading may not substantially increase its value.
NGC vs PCGS: Which Is Better?
Both NGC and PCGS are internationally respected grading companies.
NGC is particularly popular among collectors of:
- Ancient coins
- World coins
- Islamic coins
- British coins
PCGS is especially strong in the U.S. market and is widely recognised for modern and classic American coinage.
Both companies provide excellent authentication and grading standards.
How Much Does Coin Grading Cost in the UK?
The cost depends on several factors:
- Coin value
- Coin type
- Service level
- Optional imaging services
- Shipping and insurance
For this reason, it is often helpful to consult an authorised dealer before submitting coins.
How to Decide Whether Your Coin Should Be Graded
Before submitting a coin, ask yourself:
- Is the coin valuable?
- Is authenticity important?
- Will I eventually sell it?
- Would a certified holder improve buyer confidence?
- Does the coin have historical or investment significance?
If the answer is yes to several of these questions, grading is often a worthwhile consideration.
Coin Grading Services in the UK
At Pashiz Coins, we assist collectors with submissions to NGC and PMG. Whether you collect ancient, Islamic, British, world, or modern coins, we can help determine whether grading is likely to be beneficial and guide you through the submission process.
For many collectors, professional grading is not simply about assigning a grade—it’s about protecting authenticity, preserving history, and making informed collecting decisions.