Coin Specifications

Category: Seated Liberty Dimes (1837-1891)
Mint: Philadelphia
Mintage: 725
Obverse Designer: James B. Longacre
Reverse Designer: James B. Longacre
Composition: Silver
Fineness: 0.9000
Weight: 2.4900g
ASW: 0.0723oz
Melt Value: $1.24 (11/20/2019)
Diameter: 17.9mm
Edge: Reeded
Link to this coin

1866 10C PF obverse 1866 10C PF reverse
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Description & Analysis

The coining of non-proof dimes at the Philadelphia Mint continued to fall in 1866, as silver coins were not in general circulation, except in the Far West. Collectors took little notice of this fact at the time, as the custom was to purchase only proofs each year and disregard both branch mint pieces and the non-proof Philly coins.

Sales of the annual silver proof set rose this year, probably in response to the addition of the motto IN GOD WE TRUST to the larger silver denominations. Even with 725 proof dimes struck this issue is not more common than those immediately preceding or following. Cameo pieces are scarce, while Ultra Cameo examples are genuinely rare.

Two die pairs were used for this date, Gerry Fortin's variety F-101 has a date that slopes downward from left to right, while F-102 (photos) has an upward slope.

GRADE SUMMARY

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Price Guide

Last Updated: 10/18/2019

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

1866 10C PF
  GVGFVFXF505355586061626364656667686970
Base $ - - - - 150 - - - 300 370 435 550 725 1000 1550 2250 4000 11000 - -
$ - - - - - - - - - 1100 - 3000 - -
1866 10C PF CA
  GVGFVFXF505355586061626364656667686970
Base $ - - - - - - - - - 400 450 600 875 1100 1850 3000 6000 - - -
$ - - - - - - - - - - - 4500 13000 -
1866 10C PF UC
  GVGFVFXF505355586061626364656667686970
Base $ - - - - - - - - - - - - - 1500 3750 8500 9500 - - -
$ - - - - - - - - - 2350 - - - -

NGC Price and Value Guides Disclaimer

Census

 
NGC GRADE SUMMARY

Total Graded: 162
Low Grade: 40
Average Grade: 64
High Grade: 68

The chart showing 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.
NGC CENSUS DETAIL Last Updated: 11/19/2019 1866 10C PF
 PrAgGVGFVF4045505355586061626364656667686970Total
Base-----1-----1216303320941--117
-----------------131--5
---------------1-1----2
-----------------------
Total-----1-----12163034201172--124
 -----1 %-----1 %2 %13 %24 %27 %16 %9 %6 %2 %-- 
1866 10C PF CA
 PrAgGVGFVF4045505355586061626364656667686970Total
Base-----------1--3712124---39
-----------------1----1
-----------------------
-----------------------
Total-----------1--3712134---40
 -----------3 %--8 %18 %30 %33 %10 %--- 
1866 10C PF UC
 PrAgGVGFVF4045505355586061626364656667686970Total
Base---------------1221---6
-----------------------
-----------------------
-----------------------
Total---------------1221---6
 ---------------17 %33 %33 %17 %--- 

Auction Prices Realized

A random selection of coins is shown below.

Images
Date
Service
Grade
Auction House
Sale / Lot
Price
11/22/2000 NGC PF 67   Cameo Teletrade Auction 1380, 1380/Lot# 1150 $3,638.00
9/15/2003 NGC PF 64   Goldberg September 15-17, 2003 Pre-Long Beach Coin and Currency Auction, 21/Lot# 254 $1,093.00
1/9/2013 NGC Details Proof Details  Heritage Auctions 2013 January 9-13 US Coin FUN Signature Auction - Orlando Session(7), 1181/Lot# 9507 $499.38
2/9/2014 PCGS PF 63   GreatCollections GreatCollections Coin Auctions 02/09/2014, 171/Lot# 142040 $605.00
8/13/2015 NGC PF 67   Cameo Stack's Bowers 2015 Chicago ANA, 6104/Lot# 10062 $4,993.75
10/28/2015 NGC PF 66   Ultra Cameo Heritage Auctions 2015 October 28 Gardner Collection IV US Coins Signature Auction - New York Session(1), 1229/Lot# 98327 $7,050.00


NGC Registry

NGC Registry Score 1866 10C PF CA
 PrAgGVGFVF4045505355586061626364656667686970
Base7097337607878158428729019319649809901066120615831799236830094141583263768310
71774276979682485288291194296998310151113133216551989258233864705601370210
00000088291194296998310151113133216551989258233864705601300
00000089192195397598710411159145717272178279537645268619500
1866 10C PF UC
 PrAgGVGFVF4045505355586061626364656667686970
Base1059109411281164120212401279131913581401144314861630178419492124334548175049606066208606
1071110511401177121512531292133213721415145715341681183920072531383648945386624772820
0000001292133213721415145715341681183920072531383648945386624700
0000001306134513871429147215821733189420662938432649725723643300
1866 10C PF
 PrAgGVGFVF4045505355586061626364656667686970
Base2302412552652782883013173304948209411044120614211707216126143447536761398021
2342462582692812923063213856038609751098127815161858231228924087562467660
0000003063213856038609751098127815161858231228924087562400
00000031232643971190110101152134916122010246331694727588200
Registry Image Gallery
Grade: PF 67 ULTRA CAMEO
Points: 5049
Owner: 49er
 
Grade: PF 67 CAMEO
Points: 4141
Owner: Hugh Stiel Rare Coins
 
View the Registry Image Gallery

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