1991-S Washington Quarter Proof Value
Real sold prices from 3 tracked eBay sales — tracking since July 2026.
Computed from 3 real eBay sold listings tracked by CoinGrader since Jul 2026. Not price-guide estimates.
Recent sales
| Date | Grade | Price | Listing |
|---|---|---|---|
| Jul 14, 2026 | PCGS 69 | $6.22 | 1991 S 25C Washington Quarter Proof PCGS PR69DCAM |
| Jul 13, 2026 | Raw (ungraded) | $1.00 | 1991-S San Francisco Washington Quarter Proof 25C Coin in 2x2 Holder |
| Jul 13, 2026 | Raw (ungraded) | $2.50 | 1991-S Washington Quarter 25C Proof Coin San Francisco Copper KM#164 |
Frequently asked questions
How much is a 1991-S Washington Quarter Proof worth?
We have recorded 3 real eBay sale(s) for the 1991-S Washington Quarter Proof — see the recent sales list for actual sold prices.
Where do these prices come from?
CoinGrader continuously tracks completed eBay sales for this coin. Prices shown are computed from those real transactions (recent sales weighted more heavily, obvious outliers removed) — they are market prices, not catalog or price-guide values.
Should I get my 1991-S Washington Quarter Proof graded?
It depends on the coin's condition. You can upload photos to CoinGrader for an instant AI grade estimate and market value before spending on professional certification.
Have this coin?
Grade it and track its value. Upload photos for an instant AI grade estimate and a market value based on real sales like the ones on this page.
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