1999 S [SILVER DELAWARE PROOF] State Quarter — Coin Value

State Quarter

What the 1999 S [SILVER DELAWARE PROOF] State Quarter is worth — ungraded vs graded (MS62 / MS66).

1999 S [SILVER DELAWARE PROOF] State Quarter value — Ungraded $19 · MS66 $175. Prices updated August 2026.

Series · State QuarterMint · SYear · 1999
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Item details

Series
State Quarter
Year
1999
Mint
S

1999 S [SILVER DELAWARE PROOF] State Quarter value

A raw (ungraded) 1999 S [SILVER DELAWARE PROOF] State Quarter runs around $19, a certified MS62 about null, and a high-grade MS66 commands $175.

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

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ConditionValueBased on
Ungraded$19eBay sold comps
MS66$175eBay sold comps

Frequently asked questions

What is the estimated resale value of an ungraded 1999 S State Quarter?
An ungraded 1999 S State Quarter is currently valued around $19.
How much is a high-grade MS66 version of this State Quarter worth?
A graded MS66 example of the 1999 S State Quarter can fetch $200.
What is the series and mint mark for this specific quarter?
This quarter belongs to the State Quarter series and has an S mint mark.

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