1978 Washington Quarter Value (No Mint Mark): Price Guide

The 1978 Washington Quarter with no mint mark is worth anywhere from its face value of $0.25 in worn condition to over $1,500 for high-grade specimens. While most quarters found in pocket change are common, certain rare errors and pristine grades can make this coin a valuable treasure for everyday collectors.

Condition Estimated Value Range
Circulated (Good to About Uncirculated) $0.25 — $1.50
Uncirculated (MS60 – MS65) $3.00 — $35.00
High Grade (MS67+) $400 — $2,500+
Rare Errors $50 — $500+

Understanding the 1978 Washington Quarter No Mint Mark

If you have a 1978 quarter in your hand and notice there is no small letter under the eagle’s bough on the back (the reverse) or near the ponytail on the front (the obverse), don’t panic. This simply means the coin was minted in Philadelphia. Back in 1978, the Philadelphia Mint did not use a “P” mint mark for quarters. Millions of these were struck for general circulation, which is why most of them are only worth their face value today.

However, finding a coin in “pocket change” doesn’t mean it’s worthless. Many people use the best coin identifier app to quickly check if their loose change has any hidden numismatic value. For the 1978 Philadelphia quarter, the value is heavily dependent on the “Grade”—the physical condition of the metal. If the coin looks brand new, with a sharp strike and no scratches, it belongs to the “Mint State” (MS) category.

To get an accurate sense of what experts pay, you should look at the 1978 quarter MS grade market rates. Most coins you find while shopping will have scratches and wear, placing them in the $0.25 to $1.00 range. But if you find one that was tucked away in a jar for forty years, it could be worth significantly more. CoinHix can help you identify these subtle grade differences.

How Grading Affects the 1978 Quarter Value

Grading is the process of determining a coin’s condition on a scale from 1 to 70. For a 1978 Washington Quarter with no mint mark, common circulated grades like “Fine” or “Extremely Fine” don’t command a premium. Collectors are primarily interested in coins that have never been spent. These are called Uncirculated or Mint State coins.

In the world of coin collecting, even a tiny scratch invisible to the naked eye can drop the price from $500 down to $5. This is why professional grading services like PCGS or NGC are so important for high-value items. If you aren’t sure if your coin is worth the grading fee, using an app like CoinHix is a great first step to visualize the grade.

Grade Description Current Value
MS63 Average Uncirculated; some marks $5 – $10
MS65 Gem Uncirculated; very attractive $25 – $40
MS66 Near Perfect; minimal marks $100 – $180
MS67 Superb Gem; nearly flawless $500+

Comparing the Philadelphia, Denver, and San Francisco Mints

While our focus is the No Mint Mark (Philadelphia) version, it’s helpful to know how it compares to its cousins from the Denver (D) and San Francisco (S) mints. In 1978, Denver produced over 287 million quarters, while Philadelphia produced over 521 million. Because of the high mintage, neither is considered rare in circulated condition.

San Francisco, on the other hand, produced “Proof” coins. These were made specifically for collectors using polished blanks and specially treated dies. They have a mirror-like finish and a distinctive “S” mint mark. While beautiful, even these are common unless they achieve a “Deep Cameo” (DCAM) rating.

Understanding the 1978 quarter value by mint location is essential for new collectors. Generally, the “No Mint Mark” coins are the most common in lower grades but can become extremely competitive in auctions when found in perfect MS67 or MS68 condition.

Rare 1978 Quarter Errors to Look For

This is where the real money is! Error coins occur when something goes wrong during the manufacturing process. For the 1978 Washington Quarter, there are several famous errors that cause the price to skyrocket. These are the coins that every casual hunter hopes to find in their change.

One common error is the “Off-Center Strike,” where the coin was not aligned properly with the dies. If 50% of the design is missing but the date is still visible, the coin could be worth $100 or more. Another exciting error is the “Double Die,” though these are very rare for the 1978 year. Look for doubling in the letters of “IN GOD WE TRUST” or “LIBERTY.”

Error Type What to Look For Value Estimate
Off-Center Strike Design shifted to one side $25 – $250
Broadstruck Coin is thinner and wider than normal $15 – $50
Die Crack Raised lines of metal on the surface $5 – $20
Wrong Planchet Struck on a penny or nickel blank $400+

Is Your 1978 Quarter Silver?

A common question people ask is whether their 1978 quarter contains silver. The short answer is no. The United States stopped minting silver quarters for general circulation in 1964. By 1978, all quarters were made of a “clad” composition—a core of pure copper sandwiched between layers of copper-nickel alloy.

If you look at the edge of your 1978 quarter and see a brownish or copper-colored stripe, that is the proof that it is a standard clad coin. If the edge is solid silver-colored, it might be plated (which actually lowers the value) or, in very rare cases, an error where it was struck on a leftover silver planchet. These “wrong planchet” errors are extremely valuable but exceptionally rare. CoinHix can provide reference images to help you see the difference between a normal edge and a rare error edge.

Tips for Selling Your 1978 Quarters

If you think you’ve found a high-value 1978 Washington Quarter with no mint mark, don’t rush to the nearest pawn shop. Pawn shops often offer only a fraction of a coin’s true worth. Instead, start by organizing your coins by their condition. Look for coins that still have their original “mint luster”—that frosty glow that disappears once a coin is handled.

For coins that appear to be in perfect condition, consider having them professionally graded if the estimated value exceeds $50. You can also list coins on reputable auction sites or visit a local coin shop (numismatic dealer) for an appraisal. Always check recent “Sold” listings on eBay to see what people are actually paying, rather than looking at “Asking” prices, which can be unrealistically high.

Remember that patience is key. The market for 1978 quarters is very specific, focusing on those looking for “Registry Set” coins (the best possible versions of a specific year). If your coin doesn’t meet those elite standards, it might be better to keep it as a historical memento or a starting point for a larger collection.

FAQ

Q: Why does my 1978 quarter have no mint mark?

A: In 1978, the Philadelphia Mint produced coins without a mint mark. This is standard for that year and does not indicate a mistake or a rare error. It simply identifies the city where the coin was made.

Q: What is the highest price ever paid for a 1978 Philadelphia quarter?

A: The record price for a 1978 Washington Quarter (No Mint Mark) was over $2,800 for a specimen graded MS67+ by PCGS. These coins are virtually flawless and very difficult to find in circulation.

Q: Is a 1978 quarter worth anything if it is beat up?

A: Unfortunately, if a 1978 quarter shows heavy wear, scratches, or dirt from being used in circulation, it is typically only worth its face value of $0.25. Its value comes from either being in perfect uncirculated condition or having a major mint error.

Q: How can I tell if my 1978 quarter is an error coin?

A: Look for things that seem “wrong,” such as parts of the design being missing, the coin being a different shape, or the letters appearing doubled. Using a magnifying glass or a coin-checking app is the best way to spot these details.