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How Much Is a 1999 US Mint 50 State Quarters Proof Set (5 Coins, Clad) with Box & COA Worth?

A 1999 US Mint 50 State Quarters Proof Set (5 Coins, Clad) with Box & COA sells for about $14.39; the middle half of 21 recent sales went for $11 to $81.

Typical sale price

$14.39

Half of 21 recent sales went for $11 to $81

Lowest $2.11. Highest $102.56.

Sold price guide, updated October 27, 2026

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Recent sales

6 of the 21 completed sales behind this guide.

  • $12Sold Oct 26

    1999 US Mint Proof Set 50 State Quarters Proof San Francisco Mint

  • $89Sold Oct 9

    *1999-2008-S US Mint 50 State Quarters Proof Set Original Packaging COA 10 Sets

  • $102.56Sold Oct 7

    1999-S US Mint Silver Proof Set 50 State Quarters 90% OGP COA Max Views 9 Coins

  • $80.96Sold Oct 2

    1999-S US Mint Silver Proof Set (9 Coins) 50 State Quarters Orig Packaging & COA

  • $64.30Sold Sep 28

    1999-S US Mint 50 State Quarters Silver Proof Set 5 Coins 90% Silver OGP COA

  • $5Sold Sep 20

    1999 S Clad Quarter Proof Set - 50-State Quarters - US Mint - 5 Coins - OGP

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What moves the price

Asking or sold

Listings ask

$10

median asking price

Sales closed at

$14.39

31% over asking

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Frequently Asked Questions

How much is a 1999 US Mint 50 State Quarters Proof Set (5 Coins, Clad) with Box & COA worth?

A 1999 US Mint 50 State Quarters Proof Set (5 Coins, Clad) with Box & COA sells for about $14.39; the middle half of 21 recent sales went for $11 to $81.

Is one worth selling?

A typical one sells for $14.39. After eBay's selling fee that leaves about $12.43, before shipping and what you paid for it.

What is the most one has sold for?

The highest of the 21 recent sales we track was $102.56.

What are sellers asking for one?

Listings ask about $10, 31% below the $14.39 that sales closed at.

Other Collectibles Guides

Recent value guides for related items in the same category. See what collectibles is worth →

Based on 21 recent sold listings. Last updated October 27, 2026.

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