Coin Specifications

Category: Kennedy Half Dollars (1964-Date)
Mint: San Francisco
Mintage: 2,261,583
Obverse Designer: Gilroy Roberts
Reverse Designer: Frank Gasparro
Composition: Silver
Fineness: 0.4000
Weight: 11.5000g
ASW: 0.1479oz
Melt Value: $3.78 (7/29/2021)
Diameter: 30.6mm
Edge: Reeded
Link to this coin

1966 SMS 50C MS obverse 1966 SMS 50C MS reverse
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Description & Analysis

All coinage dated 1966 was struck from August through December of that year, after the mints had finally produced the 1965-dated coins! The Special Mint Set pieces were struck at the San Francisco Assay Office, and, like all 1965-67 coins, carried no mintmark. Replacing the pliofilm envelope of 1965's set was a rigid plastic holder that offered collectors some compensation for their four dollars, as opposed to the $2.10 previously charged for actual proof sets.

Quality control was poor for these coins, with the dies often being used way too long. So extreme was this overuse that at least one reverse die is found with the designer's initials FG completely polished away. When coined from fresh dies, however, a certain percentage of this issue displays bold strikes and nice contrast between brilliant fields and frosted devices. Cameo and Ultra Cameo examples comprise a minority of the total production, but they are sufficiently available to persons willing to pay a good premium.

Doubling of Kennedy's profile is so common that it must have occurred in the creation of a working hub. From this were produced many obverse dies that possessed this feature, as well as additional unique doubling of their own. This issue is rich in such DDO varieties.

GRADE SUMMARY

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Price Guide

Last Updated: 2/16/2021

Click on a price to see historical prices, comparison charts and trends.

1966 SMS 50C PF
  GVGFVFXF505355586061626364656667686970
Base $ - - - - - - - - - 5.25 5.50 6.75 7.50 10.00 15.00 30.00 75.00 320 1200 -
$ - - - - - - - - - - - - 100 -
1966 SMS 50C PF CA
  GVGFVFXF505355586061626364656667686970
Base $ - - - - - - - - - - - 9.00 15.00 25.00 60.00 100 175 1000 3750 -
$ - - - - - - - - - - 75.00 125 400 -
1966 SMS 50C PF UC
  GVGFVFXF505355586061626364656667686970
Base $ - - - - - - - - - - - - 125 230 450 550 1700 12500 - -
$ - - - - - - - - 150 260 475 1150 3000 -

NGC Price and Value Guides Disclaimer

Disclaimer: The prices listed in the various NGC Price and Value Guides are compiled from a number of independent, third party sources in the numismatic community which NGC believes to be reliable. Prices provided are averages, not specific prices for individual coins. Further, because these prices are only updated from time to time, they do not reflect short term pricing trends, which are quite common and are often quite dramatic, given the volatile nature of the collectible coin marketplace. This is especially true for rare coins, where there are fewer sales and greater variations in sale prices. For all of these reasons, the prices in these guides are designed to serve merely as one of many measures and factors that coin buyers and sellers can use in determining coin values. These prices are not intended, and should not be relied upon, to replace the due diligence and — when appropriate — expert consultation that coin buyers and sellers should undertake when entering into a coin transaction. As such, NGC disclaims all warranties, express or implied, with respect to the information contained in the NGC Guides. By using the NGC Guides, the user agrees that neither NGC nor any of its affiliates, shareholders, officers, employees or agents shall have any liability for any loss or damage of any kind, including without limitation any loss arising from reliance on the information contained in the Guides.

Census

 
NGC GRADE SUMMARY

Total Graded: 22197
Low Grade: PrAg
Average Grade: 66
High Grade: 69

The chart showing PrAg series, G series, VG series, F series, VF series, 40 series, 45 series, 50 series, 53 series, 55 series, 58 series, 60 series, 61 series, 62 series, 63 series, 64 series, 65 series, 66 series, 67 series, 68 series, 69 series.
NGC CENSUS DETAIL Last Updated: 7/27/2021 1966 SMS 50C PF
 PrAgGVGFVF4045505355586061626364656667686970Total
Base1-1------13-1620206598396213103168319-19604
----1---------2176323441--349
-----------------3266--35
-----------------------
Total1-1-1----13-1622207605402813363173019-19988
 0%-0%-0%----0%0%-0%0%0%1%3%20%67%9%0%- 
1966 SMS 50C PF CA
 PrAgGVGFVF4045505355586061626364656667686970Total
Base-------------3-2615760913752249-2403
----------------114302--47
-----------------18---9
-----------------------
Total-------------3-2615862414132269-2459
 -------------0%-1%6%25%57%9%0%- 
1966 SMS 50C PF UC
 PrAgGVGFVF4045505355586061626364656667686970Total
Base---------------21149105221-190
-----------------------
-----------------122--5
-----------------------
Total---------------21150107241-195
 ---------------1%6%26%55%12%1%- 

NGC Registry

NGC Registry Score 1966 SMS 50C PF CA
 PrAgGVGFVF4045505355586061626364656667686970
Base91616161616161616162428323767115258426661216124093296
1116161616161616161925293447831633145041161224427053461
0000001616161925293447831633145041161224400
0000001616162127313557992103705831661232600
1966 SMS 50C PF UC
 PrAgGVGFVF4045505355586061626364656667686970
Base1224242424242424242428324159469774124216272754676771418610
16242424242424242425293547196571930137020034092689276319041
00000024242425293547196571930137020034092689200
000000242424273138533326721086149923785429701600
1966 SMS 50C PF
 PrAgGVGFVF4045505355586061626364656667686970
Base91616161616161616162020242832417213527887423683303
1116161616161616161720212529355193183477137226803468
0000001616161720212529355193183477137200
00000016161619202327313862114230675187000
Registry Image Gallery
Grade: MS 68 ULTRA CAMEO
Points: 6878
Owner: Mikey Siegel’s impeccable collection
 
Grade: MS 68 ULTRA CAMEO
Points: 6767
Owner: Chipwich
 
View the Registry Image Gallery

Related Articles

Dancing with Dates, Part Six

3/17/2009 — This month, David W. Lange wraps up his look at 20th-century date styles with a focus on the Kennedy half dollar series.
View full article >
Not What They Seem

9/21/2007 — In the years since the U.S. opened multiple mints, there have been a number of instances in which coins have been struck without a mintmark letter. NGC’s David Lange examines the history of these anonymous coins.
View full article >
The “Anonymous” Coins of 1965-67

10/1/2003 — The mid-1960s was a rollercoaster ride for coin collectors. Prices, particularly for proof and uncirculated coins of recent years, peaked in the spring of 1964.
View full article >


NGC Auction Central Disclaimer

NGC Auction Central Disclaimer

Disclaimer: The auction prices realized listed in the NGC Auction Central are compiled from a number of independent, third party sources in the numismatic community which NGC believes to be reliable. The auction data listed by NGC may occasionally contain typographical or input errors that can result in incorrect prices realized appearing on the NGC website. Therefore, the prices realized listed in NGC Auction Central are designed to serve merely as one of many measures and facts that coin buyers and sellers can use in determining coin values. These prices are not intended, and should not be relied upon, to replace the due diligence and – when appropriate – expert consultation that coin buyers and sellers should undertake when entering into a coin transaction. As such, NGC disclaims all warranties, express or implied, with respect to the information contained in the NGC Auction Central. By using the NGC Auction Central, the user agrees that neither NGC nor any of its affiliates, shareholders, officers, employees or agents shall have any liability for any loss or damage of any kind, including without limitation any loss arising from reliance on the information contained in the NGC Auction Central.