Decimal issues of the Hermosillo mint (copper and silver)
Copper
One centavo


KM-391.5 1c 1875 Ho (Ponterio Baltimore auction, November 2012, lot 11339)
Diameter 25 mm. 8 g.
| Date | Recorded Mintage |
Comment |
| 1875 | 3,500 | |
| 1876 | 8,508 | |
| 1880 | 102,000 | short H, round O (illustrated below) |
| 1880 | tall H, oval O (illustrated below) | |
| 1881 | 458,600 |


KM-391.5 1c 1880 Ho round O


KM-391.5 1c 1880 Ho oval O
Silver
Five centavos
Diameter 15 mm. 1.353 g. 0.9027 silver
| Date | Asssayer | Recorded Mintage |
Comment |
| 1874/69 | R | ||
| 1874 | R | ||
| 1878 | A | 22,000 | |
| 1878 | A | mule, gold peso obverse | |
| 1880 | A | 43,000 | |
| 1886 | G | 44,000 | |
| 1887 | G | 20,000 | |
| 1888 | G | 12,000 | |
| 1889 | G | 67,000 | |
| 1890 | G | 50,000 | |
| 1891 | G | 46,000 | |
| 1893 | G | 84,000 | |
| 1894 | G | 68,000 |


KM-398.6 5c 1874/69 Ho R (Stack’s Bowers Kirk Menczer Collection, 21 October 2025, lot 71139)
Horizontal "O" mint mark.


KM-398.6 5c 1891/0 Ho G (Stack’s Bowers Kirk Menczer Collection, 21 October 2025, lot 71147)
Ten centavos


KM-403.6 10c 1876 Ho F (Stack’s Bowers Kirk Menczer Collection, 21 October 2025, lot 71341)
Diameter 17 mm. 2.707 g. 0.9027 silver
| Date | Asssayer | Recorded Mintage |
Comment |
| 1874 | R | ||
| 1876 | F | ||
| 1878 | A | ||
| 1879 | A | ||
| 1880 | A | ||
| 1881 | A | ||
| 1882 | A | 25,000 | |
| 1882/1 | A | large A in assayer's initial (illustated below) | |
| 1882/1 | A | small A in assayer's initial | |
| 1883 | A | ||
| 1884 | A | ||
| 1884 | M | ||
| 1885 | M | ||
| 1886 | M | ||
| 1886 | G | ||
| 1887 | G | ||
| 1888 | G | ||
| 1889 | G | ||
| 1890 | G | ||
| 1891/80 | G | ||
| 1891 | G | ||
| 1892 | G | ||
| 1893 | G |


KM-403.6 10c Ho A 1882/1 (Stack’s Bowers Kirk Menczer Collection, October 2025, lot 71346)
Large "A" variety.


KM-403.6 10c 1891/0 Ho G (Stack’s Bowers Kirk Menczer Collection, 21 October 2025, lot 71357)
Twenty-five centavos
Diameter 25 mm. 6.768 g. 0.9027 silver
| Date | Asssayer | Recorded Mintage |
Comment |
| 1874 | R | ||
| 1875 | R | ||
| 1876/4 | F/R | ||
| 1876 | F/R | ||
| 1876 | F | ||
| 1877 | F | ||
| 1878 | A | ||
| 1879 | A | ||
| 1880 | A | ||
| 1881 | A | ||
| 1882 | A | ||
| 1883 | M | ||
| 1884 | M | ||
| 1885 | M | ||
| 1886 | M | ||
| 1886 | G | ||
| 1887 | G | ||
| 1888 | G | ||
| 1889 | G | ||
| 1890 | G |


KM-406.6 25c 1875/89 Ho R (Stack’s Bowers Kirk Menczer Collection, 22 October 2025, lot 72115)
Double die reverse.


KM-406.6 25c 1876/4 Ho F/R (Ponterio Baltimore auction, 28 March 2011, lot 9098)
Fifty centavos
Diameter 30 mm.13.536 g. 0.9027 silver
| Date | Asssayer | Recorded Mintage |
Comment |
| 1874 | R | ||
| 1874/74 | R | low 7 | |
| 1875/4 | R | ||
| 1875 | R | ||
| 1876/5 | F/R | ||
| 1876 | F | ||
| 1877 | F | ||
| 1880/70 | A | ||
| 1880 | A | ||
| 1881 | A | ||
| 1882 | A | ||
| 1888 | G | ||
| 1894 | G | ||
| 1895 | G |


KM-407.5 50c 1874 Ho R (Stack’s Bowers Kirk Menczer Collection, October 2025, lot 72256)


KM-407.5 50c 1876/5 Ho F (Stack’s Bowers Kirk Menczer Collection, 22 October 2025, lot 72258)
Very long line below "o" mint mark.


KM-407.5 50c 1888 Ho G (Stack’s-Bowers Baltimore auction, 28 March 2011, lot 9193)


KM-407.5 50c 1894 Ho G (Stack’s Bowers Kirk Menczer Collection, October 2025, lot 72264)