2005 S [SILVER CALIFORNIA PROOF] State Quarter — Coin Value
State QuarterWhat the 2005 S [SILVER CALIFORNIA PROOF] State Quarter is worth — ungraded vs graded (MS62 / MS66).
2005 S [SILVER CALIFORNIA PROOF] State Quarter value — Ungraded $15 · MS66 $34. Prices updated August 2026.
Live on eBay right now
Which version do you have?
For the absolute cheapest way to own a 2005 S State Quarter, purchase any of the Clad versions for around $3. The Silver Proof versions, like the Silver Minnesota Proof at $15, offer superior metal composition and presentation, indicating a higher-quality collectible edition. If budget is the primary concern, stick to the Clad options; if you seek the premium metal and finish, pay the extra for the Silver Proofs.
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Price data verified against · 1
Item details
- Series
- State Quarter
- Year
- 2005
- Mint
- S
2005 S [SILVER CALIFORNIA PROOF] State Quarter value
A raw (ungraded) 2005 S [SILVER CALIFORNIA PROOF] State Quarter runs around $15, a certified MS62 about null, and a high-grade MS66 commands $34.
What drives the price
Grade, mint mark, strike quality, and key dates drive coin value. Certified (slabbed) coins carry a premium over raw; low-mintage years and full-strike examples appreciate the most.
Price guide
What this actually trades for — sold values by condition vs. what sellers are asking today
| Condition | Value | Based on |
|---|---|---|
| Ungraded | $15 | eBay sold comps |
| MS66 | $34 | eBay sold comps |
Frequently asked questions
- What is the estimated value of this 2005 S State Quarter?
- The ungraded value is estimated at $18, and a graded MS66 example is valued at $34.
- Is the mint mark important for this coin?
- Yes, this quarter is specifically minted in 'S' for San Francisco.
- What is the series for this 2005 coin?
- This piece belongs to the State Quarter series and was minted in the year 2005.