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Decimal issues of the Oaxaca mint

Copper

One centavo 

KM 391.7 1872KM 391.7 1872 reverse
KM-391.7 1c 1872 Oa (Ponterio Baltimore auction, 16 November 2012, lot 11364)

Diameter 25 mm. 

Date Recorded
Mintage
Comment
1872 15,724  
1873 10,787  
1874 4,835  
1876 2,860  

 

All 1875 1c coins are counterfeit. For a discussion of these and other counterfeits, and a table of the die pairings, see here.

Silver

Five centavos

KM 398.8 1890 NKM 398.8 1890 E reverse
KM-398.8 5c 1890 Oa E (Stack’s Bowers Kirk Menczer Collection, 21 October 2025, lot 71181)

Diameter 15 mm. 1.353 g. 0.9027 silver 

Date Asssayer Recorded
Mintage
Comment
1890 E    
1890 N   illustrated below

 

KM 398.8 1890 NKM 398.8 1890 N reverse
KM-398.8 5c 1890 Oa N (Stack’s Bowers Kirk Menczer Collection, 21 October 2025, lot 71182)

Ten centavos 

KM 403.8 1889KM 403.8 1889 reverse
KM-403.8 1889 (Stack’s-Bowers Kirk Menczer Collection. 21 October 2025, lot 71402)

Diameter 17 mm. 2.707 g. 0.9027 silver 

Date Asssayer Recorded
Mintage
Comment
1889 E    
1890 N    
1890 E    

 

One peso

KM 408.6 1869KM 408.6 1869 reverse
KM-408.6 $1 1869 Oa E (Ponterio Baltimore auction, 28 March 2011, lot 9255)

Diameter 17 mm. 27.073 g. 0.9027 silver 

Date Asssayer Recorded
Mintage
Comment
1869 E    
1870 E   small A in mintmark
1870 E   large A in mintmark
1871/69 E   140,000   
1871 E small A in mintmark 
1871 E large A in mintmark 
1872 E  180.000  small A in mintmark (illustrated below)
1872 E large A in mintmark 
1873 E  105.000  

 

KM 408.6 1872KM 408.6 1872 reverse
KM-408.6 1872 Oa E (Stack’s-Bowers auction, 26 August 2025, lot 41446)

Small "A" variety.  

Gold

Ten pesos 

KM 413.8 1874KM 413.8 1874 reverse
KM-413.8 $10 1874 Oa E (Stack’s Bowers auction, 17 August 2024, lot 44200)

Diameter 27 mm. 16.920 g. 0.8750 gold 

Date Asssayer Recorded
Mintage
Comment
1870 E  4,614  
1871 E  2,705  
1872 E  5,897  
1873 E  3,537  
1874 E  2,205  
1875 E    
1876 E    
1877 E    
1878 E    
1879 E    
1880 E    
1881 E  961  
1882 E    
1883 E    
1884 E    
1885 E    
1886 E  400  
1887 E    

 

Twenty pesos

KM 414.7 1870KM 414.7 1870 reverse
KM-414.7 $10 1871 Oa E

Diameter 34 mm. 33.840 g. 0.8750 gold 

Date Asssayer Recorded
Mintage
Comment
1870 E  1,131  
1871 E 1,591  
1872 E    
1888 E