2009 S [SILVER GUAM PROOF] State Quarter — Coin Value
State QuarterWhat the 2009 S [SILVER GUAM PROOF] State Quarter is worth — ungraded vs graded (MS62 / MS66).
2009 S [SILVER GUAM PROOF] State Quarter value — Ungraded $14 · MS66 $27. Prices updated August 2026.
Live on eBay right now
Which version do you have?
If you just want the lowest cost, grab the CLAD GUAM PROOF for $3. The higher-priced SILVER PROOF versions, like the SILVER PUERTO RICO PROOF at $20, offer superior metal content and collector-grade packaging. Buyers prioritizing investment or display should pay the premium for the silver proofs, while those seeking basic ownership should stick to the cheapest clad options.
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Price data verified against · 1
Item details
- Series
- State Quarter
- Year
- 2009
- Mint
- S
2009 S [SILVER GUAM PROOF] State Quarter value
A raw (ungraded) 2009 S [SILVER GUAM PROOF] State Quarter runs around $14, a certified MS62 about null, and a high-grade MS66 commands $27.
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 | $14 | eBay sold comps |
| MS66 | $27 | eBay sold comps |
Frequently asked questions
- What is the value of this 2009 S State Quarter?
- The value depends on the condition; it is ungraded at $16 or MS66 at $27.
- Is the 2009 State Quarter rare?
- It is part of the State Quarter series from the year 2009, minted in Guam.
- What does the 'S' in the mint indicate?
- The 'S' indicates it was minted at the S facility.