Coin Specifications

Category: Mercury Dimes (1916-1945)
Mint: San Francisco
Mintage: 7,400,000
Catalog: KM-140
Obverse Designer: Adolph A. Weinman
Reverse Designer: Adolph A. Weinman
Composition: Silver
Fineness: 0.9000
Weight: 2.5000g
ASW: 0.0723oz
Melt Value: $1.49 (7/28/2014)
Diameter: 17.8mm
Edge: Reeded
Numismatic specification data provided by Krause Publications NumisMaster.
Link to this coin

1928 S 10C MS obverse 1928 S 10C MS reverse


Images courtesy of Heritage Auctions (HA.com)
  
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Description & Analysis

Sometime in December 1928, the San Francisco Mint introduced a reverse die with an experimental mintmark to its dime production. The S displays a broader body and more elongated serifs than any other San Francisco mintmark in the Mercury dime series. David W. Lange (The Complete Guide to Mercury Dimes, 1993), among others, believes that only 15-20% of this issue's total mintage of 7,400,000 pieces was delivered with this Macro S. While we do not know how many of these pieces are extant today, it is safe to conclude that this is the scarcer of the two 1928-S mintmark varieties.

Writing in 1988, Breen stated that most Mint State survivors of the '28-S Macro S exhibit poor striking definition.

Description and Analysis courtesy of Heritage Auctions and may not be republished without written permission.


GRADE SUMMARY

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Price Guide

Last Updated: 5/20/2014

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

1928 S 10C MS
  GVGFVF4045505355586061626364656667686970
Base $ 3.50 4.00 4.75 6.50 21.00 21.00 46.00 50.00 60.00 90.00 135 155 215 335 415 465 575 2000 - - -
$ 25.00 48.00 55.00 68.00 105 145 170 235 385 450 500 700 2500 -
1928 S 10C MS Full Bands
  GVGFVF4045505355586061626364656667686970
Base $ - - - - - - - - - - 150 180 285 450 685 2300 3500 26000 - - -
$ - - - - - 165 200 350 550 950 2700 5500 32500 -
NGC Price and Value Guides Disclaimer

Census

 
NGC GRADE SUMMARY

Total Graded: 357
Low Grade: F
Average Grade: 63
High Grade: 67


Upcoming Auctions


Auction Prices Realized

A random selection of coins is shown below.

Images
Date
Service
Grade
Auction House
Sale / Lot
Price
1/15/1996 PCGS MS 62   Full Bands Teletrade Auction 0806, 806/Lot# 285 $185.30
4/17/2006 NGC MS 66   David Lawrence Rare Coins Internet Auction # 83, 88/Lot# 379 $488.75
1/30/2011 PCGS MS 64   Goldberg January 30 - February 3, 2011 The Pre-Long Beach Coin and Currency Auction, 62/Lot# 1334 $345.00
7/22/2012 PCGS XF 45   Heritage Auctions Internet Coin Auction Session(1), 131231/Lot# 28101 $65.00
2/22/2013 NGC MS 65   Stack's Bowers The March 2013 Baltimore Auction, 181/Lot# 6990 $411.25
7/11/2013 PCGS MS 65   Heritage Auctions 2013 July 11 - 14 US Coins Signature Auction - Orlando Session(4), 1187/Lot# 4836 $2,232.50
12/29/2013 PCGS MS 64   GreatCollections GreatCollections Coin Auctions 12/29/2013, 170/Lot# 158107 $302.50


NGC Registry

NGC Registry Score 1928 S 10C MS
 PrAgGVGFVF4045505355586061626364656667686970
Base33333350102167209268304351423551663783109520093467904716135
333331867123181228280319375465588703887139924955327114090
0000006712318122828031937546558870388713992495532700
0000008414519524829233539950862574399117042981718700
1928 S 10C MS Prooflike
 PrAgGVGFVF4045505355586061626364656667686970
Base33333354115186230292330381456591709835116221133622936216619
333332074138200250304347406501630751944147926165535117810
0000007413820025030434740650163075194414792616553500
00000094162215271317364431546669793105317963119744800
1928 S 10C MS Full Bands
 PrAgGVGFVF4045505355586061626364656667686970
Base33333372143205244301336395502674105118342433348656191595528669
33333269516321826331235543055979913122033278441979064201930
000000951632182633123554305597991312203327844197906400
00000011918423128232437546661692515732233313549081250900
1928 S 10C MS Full Bands, Prooflike
 PrAgGVGFVF4045505355586061626364656667686970
Base33333381159227268327363426539721111519312552364258411643529407
333332910718124028733938446359985213872138291543759372207590
0000001071812402873393844635998521387213829154375937200
00000013320425430735140550166098316592345327851081290300
Registry Image Gallery

No Images Found

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