United States • 50 U.S. cents

1965–1970 Kennedy Half Dollar — 40% Silver

1965–1970 Kennedy Half Dollar — 40% Silver contains nominally 4.6 g of fine silver, approximately 0.147893 troy oz, at 11.5 g gross mass and 40.0% silver overall. This profile covers the 1965–1970 silver-clad date group, including collector-only issues within that period. It excludes 1964, Bicentennial silver collectors’ coins and later silver proofs.

1965–1970 Kennedy Half Dollar — 40% Silver obverse — 1967 Kennedy half dollar, representative of 1965–1970 40% silver circulation issues
Obverse — 1967 Kennedy half dollar, representative of 1965–1970 40% silver circulation issues
James St. John, Flickr; CC BY 2.0; resized WebP · Image source · CC BY 2.0
1965–1970 Kennedy Half Dollar — 40% Silver reverse — 1967 Kennedy half dollar, representative of 1965–1970 40% silver circulation issues
Reverse — 1967 Kennedy half dollar, representative of 1965–1970 40% silver circulation issues
James St. John, Flickr; CC BY 2.0; resized WebP · Image source · CC BY 2.0

When a fresh spot bid is available, melt values use fine-metal content × spot bid. CashForCoins guide buying offers use the separately configured percentage for each metal. Selected rare/numismatic coins require an appraisal. Dollar amounts remain unavailable when a fresh quote or buying percentage is missing.

Verified coin specifications

Country
United States
Face denomination
50 U.S. cents
Composition
40% silver, 60% copper overall; silver-clad layered construction
Gross weight (grams)
11.5
Fineness
0.4
Diameter (mm)
30.6
Edge
Reeded
Mint
United States Mint; mint facility varies by issue
Mint mark
Varies by date and finish
Issue years
1965–1970

This profile covers the original silver-clad period. The separately dated Bicentennial silver issue and modern silver proof coins require their matching profiles.

Source precision
Nominal mass 11.5 g, overall silver fraction 0.4, rounded catalog diameter 30.6 mm; no tolerance, assay or authentication inference.

Calculate this coin’s metal content

One coin contains 0.147893434215 troy oz of fine silver.

Formula: gross grams × fineness ÷ 31.1034768 × quantity. Dollar melt value additionally requires an approved current metal price.

Obverse: identify the front

Kennedy faces left beneath LIBERTY. IN GOD WE TRUST sits beneath the portrait, and the date is at the bottom. The pictured 1967 piece is a representative of this composition period. Its portrait resembles the earlier silver type, making the readable year more useful than color alone.

Reverse: identify the back

The presidential-seal eagle, shield, olive branch and arrows sit within a circle of stars. The outer legend reads UNITED STATES OF AMERICA and HALF DOLLAR. Similar devices appear on Kennedy halves of other compositions; this reverse confirms the denomination, not the silver fraction on its own.

History and purpose

After the original 1964 .900 silver issue, the 1965–1970 group used a silver-clad construction. Historical legislation specified silver-rich outer layers and a silver/copper core. Overall standard content is 4.6 g silver in an 11.5 g coin. Ordinary copper-nickel halves followed in 1971.

How to identify this variant

Read the year first, then the denomination and both designs. Compare nominal 11.5 g mass, approximately 30.6 mm diameter and a reeded edge. Keep this date group separate from 1964 halves, whose nominal fine silver is 11.25 g. An edge photograph can support examination but cannot alone authenticate composition.

Understanding its metal content

Calculate 11.5 g × 0.4 = 4.6 g silver, then divide by 31.1034768 g per troy ounce. This is nominal metal content for a correctly identified genuine coin at standard weight, not an assay. Quantity totals use this nominal calculation; wear, damage and identification errors can affect an actual lot.

The 1965 statute specified .800 silver outer alloy and a silver/copper core arranged to yield 4.6 g silver plus 6.9 g copper overall. The .400 value in this calculation describes the complete coin, not a uniform alloy through every layer.

Dates, varieties and composition changes

The 1965–1970 range is a composition boundary, not a statement that every issue entered general circulation. The reference identifies 1970-D as a set-only issue. Special Mint Set and proof finishes also deserve separate identification. This record does not automatically apply to dual-dated 1776–1976 collector silver halves.

Melt value versus collector value

Keep original sets, holders and unusually well-preserved coins intact. A 1970-D or a packaged special finish should not lose its identifying context when a group is counted. The nominal silver total does not grade the coin, identify a finish or establish what a collector or buyer will pay.

Authenticity and condition

Use the complete year, mint mark if present, reverse, edge and physical properties together. Do not assume a bright Kennedy half is .900 silver or that a darker edge proves a base-metal coin. Resolve contradictory evidence through evaluation without polishing, cutting or destructive tests.

Selling this coin

Separate 1965–1970 halves from 1964 and later coins and describe any original set packaging. Provide a readable date photo and the reverse. The calculator uses 4.6 g nominal fine silver per correctly classified coin; wear and mistaken composition can change the silver actually present.

Sources and calculation methodology

The issuer reference documents the historical design or date distinction stated here. The separate specification record supports mass, silver fraction, diameter and edge. Fine-silver arithmetic uses fixed decimals without copying reference-site prices or rounded ounce totals. Photograph identity and reuse permission are reviewed separately. No approved live price feed is configured, so dollar melt values remain unavailable. A metal-content total, a collector assessment and an accepted offer are different results.

Common questions

Does 40% silver mean the outer layers are 40% silver?

No. The historical silver-clad construction uses 80% silver outer alloy and a different silver/copper core. The entire nominal 11.5 g coin contains 4.6 g silver, or 40% overall.

Can I put a silver Bicentennial Kennedy half in this date group?

No. A dual-dated 1776–1976 collector issue requires its own composition and finish identification. This record is limited to coins dated 1965–1970.

References

Issue-year references

Content maintained by CashForCoins. Last substantive record update: 2026-10-10. Report a specification or attribution issue through our contact page.

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