key date dimeskey date quarters1916-D Mercury1932-D quarterkey date half dollars
Key Date Dimes, Quarters & Half Dollars
D
Dwight Ringdahl
March 9, 2026
Key Date Dimes
- 1894-S Barber dime — $1,000,000+. Only ~9 known. A legendary rarity.
- 1916-D Mercury dime — $1,200+ (G). The series king (264,000 minted).
- 1921 and 1921-D Mercury — $50–$100+ (G). Post-WWI low mintages.
- 1942/1 Mercury overdate — $500+ (G). Both P and D mint versions.
- 1975 No S Roosevelt proof — $300,000+. Only 2 known.
Key Date Quarters
- 1901-S Barber — $5,000+ (G). Only 72,664 minted.
- 1916 Standing Liberty — $4,000+ (G). Only 52,000 minted.
- 1918/7-S Standing Liberty overdate — $2,000+ (G).
- 1932-D Washington — $100+ (G). Series key date.
- 1932-S Washington — $100+ (G). Second key date.
Key Date Half Dollars
- 1921 and 1921-D Walking Liberty — $150+ and $250+ (G). Series key dates.
- 1838-O Capped Bust — First New Orleans half dollar. Major rarity.
- 1964 Kennedy Accented Hair — $50+ (MS-65). Early die variety.
Buying Advice
For coins over $500, always buy certified (PCGS or NGC). Attend coin shows to examine key dates in person and compare prices across multiple dealers.
Up Next
This article is for educational guidance. Where official grading rules, dealer memberships, legal requirements, or tax obligations apply, consult the relevant primary authority.
Last reviewed February 17, 2026 by the US Coin Shows editorial team. Editorial policy
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