CoinValueDB

1964 Doubled Die Proof Kennedy Half Dollar Value

$500 – $50,000

The 1964 Heavily Doubled Die Proof Kennedy Half Dollar was minted at the Philadelphia Mint. Values range from $500 in lower grades to $50,000 in top condition. This is a key date, making it especially sought-after by collectors. The coin contains 90% silver with a melt value of $11.03.

1964 | Philadelphia | Mintage: Unknown

Melt Value (90% silver)

$11.03

Based on $30.50/oz silver

as of Aug 1, 2026

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Market Activity

SoldHigh BidFor SaleLast Asking PriceMoving Average
Avg: $15,200 High: $50,000 Low: $500 5 total data points

CoinValueDB Price Guide by Grade

CoinValueDB Price Guide by Grade
GradeValue
Proof (PR-60) Proof
$500
Choice Proof (PR-63)
$2,500
Gem Proof (PR-65)
$8,000
Superb Proof+ (PR-67)
$15,000
Near-Perfect Proof (PR-69)
$50,000
Under $100 $100 - $1,000 Over $1,000

Coin Specifications

Year
1964
Mint
Philadelphia
Mintage
Unknown
Composition
90% Silver, 10% Copper
Weight
12.50 grams
Diameter
30.6 mm
Edge
Reeded
Designer
Gilroy Roberts / Frank Gasparro
Series
Kennedy Half Dollar Error (1964-present)
PCGS #
96679

Historical Notes

A heavily doubled die Proof from the first year of the Kennedy Half Dollar series. Strong doubling is visible on WE TRUST, LIBERTY, and the date. The coin's connection to President Kennedy and its dramatic error make it highly sought after.

Varieties

Heavily Doubled Die Proof Obverse

A Proof striking with dramatic hub doubling visible on WE TRUST, LIBERTY, and other lettering. One of the most significant Kennedy Half Dollar errors.

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Frequently Asked Questions

What is a 1964 Heavily Doubled Die Proof Kennedy Half Dollar worth? +
A 1964 Heavily Doubled Die Proof Kennedy Half Dollar is worth between $500 and $50,000 depending on condition. Coins in higher grades (MS-65 and above) command significant premiums.
How many 1964 Kennedy Half Dollar Error coins were made? +
The Philadelphia Mint produced Unknown 1964 Kennedy Half Dollar Error coins. Lower mintage numbers generally correlate with higher collector value.
Is the 1964 Heavily Doubled Die Proof Kennedy Half Dollar a key date? +
Yes, the 1964 Heavily Doubled Die Proof Kennedy Half Dollar is considered a key date in the Kennedy Half Dollar Error series. Key dates are coins with low mintage, high collector demand, or both, making them among the most valuable in the series.
What is the melt value of a 1964 Heavily Doubled Die Proof Kennedy Half Dollar? +
The 1964 Heavily Doubled Die Proof Kennedy Half Dollar contains 90% silver and has a melt value of approximately $11.03 based on current spot prices ($30.50/oz silver). Most collectible coins are worth significantly more than their melt value due to numismatic demand.
How much is a 1964 Heavily Doubled Die Proof Kennedy Half Dollar worth? +
Values for this coin fluctuate based on the grade assigned by a professional grading service. High-quality examples often sell for several thousand dollars at public auction.
Is the 1964 Heavily Doubled Die Kennedy Half Dollar rare? +
This coin is rare because it represents a specific production error during the first year of the Kennedy series. Only a small fraction of the 1964 mintage exhibits this distinct, heavy doubling.

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