1991-D Washington Quarter NGC MS66 Rare Coin

Updated August 7, 2026

Lot number	120
Category	Coins & Currency
Auction	AUG 13 26 GOLD SILVER BULLION SLABBED KNIVES CARDS
Date	August 13, 2026 at 6:00 PM CDT
Auction house	Iowa Surplus & Estate Auctions
Location	Coralville, Iowa

1991-D Washington Quarter NGC MS66 Rare Coin 1991-D Washington Quarter NGC MS66 This 1991-D Washington Quarter has been professionally graded and encapsulated by NGC in a high Mint State 66 condition. Struck at the Denver Mint, this copper-nickel clad specimen exhibits a strong strike and exceptional luster for the era. The surfaces are brilliant and clean, showcasing the classic George Washington obverse and the iconic heraldic eagle reverse. As a high-grade business strike, this coin is a significant find for registry set collectors looking for superior preservation in a modern Washington series. The protective NGC holder ensures the long-term integrity and grade of this premium numismatic piece. 1991-D Washington Quarter NGC MS66 Condition: This coin is graded MS66 (Mint State 66) by NGC, indicating a high-quality specimen with strong luster and minimal surface marks. The mint is the Denver Mint, as indicated by the D mint mark. The metal content consists of a copper-nickel clad composition, featuring a pure copper core bonded to outer layers of copper-nickel. In historical context, this coin was minted during the final decade of the original eagle reverse design before the 50 State Quarters program began in 1999. The strike type is a business strike intended for circulation, though preserved in a professional numismatic grade. The grading is officially certified by Numismatic Guaranty Company (NGC). 1991-D Quarter, MS66, Washington Quarter, NGC graded, Numismatics, Coin collecting, United States Mint, Denver Mint, Slabbed coin, Heritage Coins, Mint State, 25 cents, Rare coins, Coin grading, Uncirculated. 1991-D Quarter, MS66 Quarter, NGC Graded Coins, Rare Quarters, Washington Quarter, Numismatics, Coin Collecting, NGC Certified, 1991 D 25C, Mint State Coins IMPORTANT BIDDER NOTICE Bidder is solely responsible for determining value, condition, completeness, authenticity, fitment, grade, and usefulness before bidding. THIS ITEM IS SOLD STRICTLY AS-IS, WHERE-IS, WITH NO WARRANTIES OR GUARANTEES OF ANY KIND, EXPRESSED OR IMPLIED. ALL SALES ARE FINAL. NO REFUNDS. NO RETURNS. NO CANCELLATIONS. NO BID RETRACTIONS. By placing a bid, the bidder acknowledges that they have reviewed the title, description, photographs, and any auction notices, and have had the opportunity to ask questions before bidding. Bidder agrees that: The item is being purchased strictly as shown in the photographs and described in the listing The auction house does not grade, test, appraise, or authenticate items unless specifically stated By registering and placing bids, the bidder expressly authorizes Iowa Surplus & Estate Auctions to charge the payment method on file for any lots won, including buyer's premium, applicable taxes, shipping, handling, and processing fees in accordance with the posted auction terms."Charges may appear on your credit card statement under Iowa Surplus & Estate Auctions, Iowa Surplus Auctions, ISA Auctions, ATR Auctions, or

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