1978-S Washington Quarter Proof Value
Based on 23 eBay sales from Jul 12, 2026 to Jul 23, 2026. These are past eBay sale prices, not live prices.
Photos are from recorded eBay sales and may show a different example of this coin.
Calculated from eBay sold listings CoinGrader recorded. Based on 23 eBay sales from Jul 12, 2026 to Jul 23, 2026. Not a price guide, and not a live price.
Recent recorded sales
Frequently asked questions
How much is a 1978-S Washington Quarter Proof worth?
A raw (ungraded) 1978-S Washington Quarter Proof sold for around $1 on eBay. Based on 23 eBay sales from Jul 12, 2026 to Jul 23, 2026. These are past sale prices, not a price guide or a live quote.
Where do these prices come from?
They come from completed eBay sales of this coin that CoinGrader recorded. Based on 23 eBay sales from Jul 12, 2026 to Jul 23, 2026. We calculate the values from those sales, with recent sales counting more and obvious outliers removed. They are market prices, not catalog or price-guide values. The last sale we recorded was on Jul 23, 2026, so today's prices may be different.
Should I get my 1978-S Washington Quarter Proof graded?
It depends on your coin's condition. You can upload photos to CoinGrader for an AI grade estimate and a market value in about a minute or two before paying for professional grading.
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