The 1968-S Kennedy Half Dollar Proof holds a unique place in numismatics. It marked a significant transition in U.S. Mint practices and became a sought-after coin for collectors.
Struck at the San Francisco Assay Office, it was the first standard Proof coin not minted in Philadelphia since the 19th century. This article explores its history, characteristics, varieties, and market value to provide an in-depth guide for enthusiasts.
History Of The 1968-S Kennedy Half Dollar
In 1968, the U.S. Mint resumed issuing Proof Sets after a three-year hiatus. The production was moved to the San Francisco Assay Office, where these coins received the iconic “S” mintmark.
Introduced alongside a return of mintmarks to U.S. coinage, the 1968-S Proof Sets became a significant event, with collectors purchasing over 3 million units.
The Proof Sets, priced at $5 in 1968 (equivalent to $44.59 in 2024), showcased five coins, including the Kennedy Half Dollar, which stood out with its 40% silver composition and brilliant appearance.
Key Features Of The 1968-S Kennedy Half Dollar
Packaging And Presentation
- The 1968-S Proof Set was packaged in a durable hard plastic case, ensuring better protection and display.
- A royal blue cardboard envelope encased the set, making it distinct from earlier sets.
Composition And Design
- Composition: 40% silver, 60% copper.
- Weight: 11.50 g.
- Diameter: 30.61 mm.
- Obverse Designer: Gilroy Roberts.
- Reverse Designer: Frank Gasparro.
Visual Appeal
- Bright silver appearance compared to other coins in the set.
- Occasionally featured Cameo or Deep Cameo contrasts on early strikes.
Interesting Varieties Of The 1968-S Kennedy Half Dollar
1. Serif S/Knob S Variety
This variety features an inverted “S” mintmark, previously used in the late 1940s. Discovered in 2018, it is a rare find for collectors.
2. Doubled Die Obverse (FS-101)
Notable for doubling in the motto “IN GOD WE TRUST,” these coins are highly valued.
3. Doubled Die Reverse (FS-801)
This variety showcases doubling in “UNITED STATES OF AMERICA” on the reverse, adding to its rarity and value.
4. Inverted Mintmark (FS-511)
This unique error has an inverted mintmark, making it a sought-after piece.
Market Value And Collectibility
Unimpaired Proof Coins
- Available for $10 to $15 when purchased as part of the full 1968-S Proof Set.
- Includes Proof versions of all five circulating coins from 1968.
High-Grade Certified Coins
- PR70DCAM examples command premium prices due to their scarcity.
- Recent auction data indicates prices ranging from $400 to $2,820, depending on grade and Cameo contrast.
Auction Highlights
| Grade | Auction House | Date | Price (USD) |
|---|---|---|---|
| PR68DCAM | GreatCollections | July 10, 2022 | $1,188.34 |
| PR67CAM | Stack’s Bowers | May 18, 2022 | $456.00 |
| PR67 (Doubled Die) | Heritage Auctions | November 1, 2015 | $2,820.00 |
Preservation And Challenges
Although the hard plastic case was an improvement, it wasn’t airtight. Over time, coins have developed haze or light toning, which can be professionally curated. Collectors are advised to store these coins in controlled environments to maintain their quality.
Canceled Dies And Historical Significance
In 1974, 4,500 canceled dies used to strike the 1968-S Proof Sets were sold as collector items. These dies, later melted by the Mint, add a layer of intrigue to the coin’s history.
Conclusion
The 1968-S Kennedy Half Dollar Proof is more than just a coin; it represents a historical milestone in U.S. numismatics. Its varieties, aesthetic appeal, and collectibility make it a prized addition to any collection.
Whether you are a seasoned collector or a novice, this coin offers a glimpse into the rich history of American coinage.
FAQs
1. What Is The Composition Of The 1968-S Kennedy Half Dollar?
It contains 40% silver and 60% copper.
2. How Much Is A 1968-S Proof Set Worth Today?
The set is typically valued between $10 and $15, depending on condition.
3. What Makes Deep Cameo Examples Valuable?
Deep Cameo examples feature strong contrasts between frosted designs and mirrored fields, making them rare and desirable.
4. Are There Any Rare Varieties Of The 1968-S Kennedy Half Dollar?
Yes, notable varieties include the Serif S/Knob S and Doubled Die Obverse (FS-101).
5. How Can I Preserve My 1968-S Kennedy Half Dollar?
Store it in a controlled environment and consider professional curation to remove haze or toning.
