1999 S [CLAD CONNECTICUT PROOF] State Quarter — Coin Value
State QuarterWhat the 1999 S [CLAD CONNECTICUT PROOF] State Quarter is worth — ungraded vs graded (MS62 / MS66).
1999 S [CLAD CONNECTICUT PROOF] State Quarter value — Ungraded $3 · MS66 $18. Prices updated August 2026.
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Which version do you have?
To simply own a 1999 S State Quarter, purchase the CLAD GEORGIA PROOF for $3. The higher-priced SILVER PROOF versions, like the SILVER DELAWARE PROOF at $19, offer premium collectible status through specific state editions and proof quality. Buyers prioritizing basic ownership should choose the cheapest clad option, while those seeking a display-worthy piece should invest in the more expensive silver proof varieties.
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Price data verified against · 1
Item details
- Series
- State Quarter
- Year
- 1999
- Mint
- S
1999 S [CLAD CONNECTICUT PROOF] State Quarter value
A raw (ungraded) 1999 S [CLAD CONNECTICUT PROOF] State Quarter runs around $3, a certified MS62 about null, and a high-grade MS66 commands $18.
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 | $3 | eBay sold comps |
| MS66 | $18 | eBay sold comps |
Frequently asked questions
- What is the estimated value of an ungraded 1999 S State Quarter?
- An ungraded 1999 S State Quarter is currently valued around $4.
- How much is an MS66 graded 1999 S State Quarter worth?
- A mint-state 66 (MS66) graded 1999 S State Quarter is valued at $12.
- What is the series and year of this quarter?
- This item is a State Quarter from the year 1999.