Whitman Expo
Demand for eye-appealing and premium quality coins pushes Heritage Auctions' July 20 event over $237,000.
Thank you to our sponsors!
Go check them out!
Obverse Description
Portrait of President John F. Kennedy surrounded by the word LIBERTY on the periphery. IN GOD WE TRUST appears left and right of the portrait with the date at the bottom. The mint mark, if any, appears under the right of Kennedy's neck.
Reverse Description
The heraldic eagle holding arrows and branch of olive leaves with a full circle of stars around it. UNITED STATES OF AMERICA * HALF DOLLAR surround the periphery.
Catalog Information
GSID:
352004
Designer:
Gilroy Roberts, Frank Gasparro
Obverse Designer:
Gilroy Roberts
Obverse Lettering:
LIBERTY, IN GOD WE TRUST, 1966
Reverse Designer:
Frank Gasparro
Reverse Lettering:
UNITED STATES OF AMERICA, HALF DOLLAR
Fineness:
0.4
Weight (gr):
11.5 gr
Weight (oz):
0.475 oz
Precious Metal Weight:
0.1479 oz
Strike Type:
Special Mint Set
Diameter:
30.6
Coin Shape:
Round
Edge:
Reeded
Variety:
SMS, Missing Desisgner's Initials, DDO
Variety 2:
FS-901
Coin Date:
1966
Denomination:
50c
Designation:
SMS
Mint Location:
San Francisco
Mintage:
2,261,583
Coinage Type:
Kennedy half dollar
Coinage Years:
1964-
Composition:
40% silver; 60% copper
PCGS #:
145426
Send Catalog Feedback
To: editor@greysheet.com
Subject: I would like to contribute catalog info to CDN for 1966 50c SMS, Missing Desisgner's Initials, DDO, FS-901 SMS
Body: Referring page: http://livetest.greysheet.com/prices/item/1966-50c-special-mint-set-kennedy-half-dollar-missing-designers-initials-fs-901/gsid/352004 GSID: 352004 Title: 1966 50c SMS, Missing Desisgner's Initials, DDO, FS-901 SMS
Subscribe to View
View more data, info, and visualizations. Get access to retail and wholesale pricing as well as auction data.
Coin Value History
1966 50c SMS, Missing Desisgner's Initials, DDO, FS-901 SMS
Value By Grade
1966 50c SMS, Missing Desisgner's Initials, DDO, FS-901 SMS
CPG (retail) values
Currency
Grade Range
Sort by
Pricing
1964 50c Special Mint Set SMS
Worth: $25,000 – $130,000
1965 50c Special Mint Set SMS
Worth: $9 – $2,500
1965 50c Special Mint Set SMS CAM
Worth: $32 – $1,000
1965 50c Special Mint Set SMS DCAM
Worth: $240 – $3,250
1966 50c Special Mint Set SMS
Worth: $9 – $900
1966 50c Special Mint Set SMS CAM
Worth: $22 – $2,750
1966 50c Special Mint Set SMS DCAM
Worth: $220 – $5,000
1967 50c Special Mint Set SMS
Worth: $9 – $900
1967 50c Special Mint Set SMS CAM
Worth: $9 – $3,000
1967 50c Special Mint Set SMS DCAM
Worth: $50 – $16,000
1966 50C SMS, No FG, FS-901, MS66 NGC. CDN: $315 Whsle. Bid for NGC/PCGS 66. ...
$268
1966 Kennedy Half Dollar. SMS. FS-901. No FG. Specimen-64 (PCGS).
$105
1966 50C SMS, No FG, FS-901, MS67 NGC. NGC Census: (69/4). PCGS Population: (26/1)....
$1,680
1966 50C SMS, No FG, FS-901, SP65 PCGS. (013.9). PCGS Population: (96/122). NGC Census: (104/247)....
$159
1966 50C SMS, No FG, FS-901, SP63 PCGS. (FS-013.9). PCGS Population: (3/262). NGC Census: (2/394)....
$69
1966 50C SMS, No FG, FS-901, SP66 PCGS. Formerly FS-013.9. CDN: $315 Whsle. Bid for NGC/PCGS 66. ...
$317
1966 50C SMS, No FG, FS-901, SP67 PCGS. (FS-013.9). PCGS Population: (27/1). NGC Census: (64/3)....
$900
1966 50C SMS, No FG, FS-901, SP65 PCGS. (FS-013.9). PCGS Population: (92/119). NGC Census: (98/225)....
$240
1966 50C SMS, No FG, FS-901, SP66 PCGS. Formerly FS-013.9. CDN: $315 Whsle. Bid for NGC/PCGS 66. ...
$390
1966 50C SMS, No FG, FS-901, MS67 NGC. NGC Census: (67/3). PCGS Population: (25/1)....
$1,320
1966 50C SMS, No FG, FS-901, MS65 NGC. NGC Census: (89/197). PCGS Population: (86/111)....
$198
1966 50C SMS, No FG, FS-901, SP66 PCGS. (013.9). CDN: $315 Whsle. Bid for NGC/PCGS 66. ...
$256
1966 50C SMS, No FG, FS-901, 67 NGC. NGC Census: (66/4). PCGS Population: (24/1). ...
$1,020
1966 50C SMS, No FG, FS-901, SP65 PCGS. (FS-013.9). PCGS Population (54/41). NGC Census: (0/0)....
$223
1966 50C SMS, No FG, FS-901, SP66 PCGS. CDN: $315 Whsle. Bid for NGC/PCGS 66. ...
$293
1966 50C SMS, No FG, FS-901, MS67 NGC. NGC Census: (48/3). PCGS Population: (16/1)....
$2,820
1966 50C SMS, No FG, FS-901, SP65 PCGS. (FS-013.9). PCGS Population (54/41). NGC Census: (0/0)....
$176
1966 Kennedy Half Dollar. SMS. FS-901. No FG. Specimen-66 (NGC).
$288
1966 50C SMS, No FG, FS-901, SP67 PCGS. ...
$1,410
1966 50C Special Mint Set, No FG, FS-901 SP65 PCGS. (FS-013.9). Ex: Vennekotter Collection. PCGS Population (51/28). NGC C...
$188
Greysheet News
Distinctive Morgan Dollars Lead Heritage's July Attractively Toned U.S. Coins Showcase Auction
7/27/2026
1888 Proof Double Eagle Leads Heritage's Summer FUN U.S. Coins Auction to $12.4 Million
1861-S Paquet Double Eagle, rare 1930-S Indian Eagle and early U.S. gold also rank among July 16-18 event highlights.
7/24/2026
Gold Rush Gallery Finds a Permanent Home with the Southern Gold Society
The website will be maintained as a fully functional resource to preserve its extensive historical content and the thousands of existing links that researchers and collectors rely upon.
7/21/2026
Events
Midlands Coin Club Coin, Currency and Collectibles Show - SC
Location: Medallion Center
Friday, May 1, 2026
