Reales issues of the Hermosillo mint (½, 1, 2 and 4 reales)
Half real
KM-372.7 ½r 1839 Ho PP
Retrograde N in MEXICANA
KM-370.8 ½r 1862 Ho FM (Stack’s Bowers Kirk Menczer Collection, 23 June 2026, lot 72169)
Diameter 16 mm. 1.690 g, 0.90277 silver
For a consideration of the rarity of Hermosillo ½ real see here.
| Date | Asssayer | Recorded mintage | Comment |
| 1839 | PP | unique. For more information, see here. | |
| 1862 | FM | ||
| 1867/1 | PR/FM | 6 over inverted 6 (for discussion, see here) | |
| 1867/2 | PR |
KM-370.8 ½r 1867 Ho PR/FM (Stack’s Bowers Kirk Menczer Collection, 23 June 2026, lot 72170)
One real
KM-Unlisted (KM-372.7 for other dates) 1r 1862 Ho FM (Stack’s Bowers Kirk Menczer Collection, 23 June 2026, lot 72383)
Diameter 26 mm. 3.380 g, 0.90277 silver
| Date | Asssayer | Recorded mintage | Comment |
| 1862 | FM | ||
| 1867 | PR | small 7 over 1 | |
| 1867 | PR | large 7 over small 7 | |
| 1867 | PR | no crossbar in H of mintmark | |
| 1867/1 | PR | illustrated below | |
| 1868 |
KM-372.7 1r 1867/1 Ho PR (Stack’s Bowers Kirk Menczer Collection, 23 June 2026, lot 72384)
Sonora Cap and Eagle.
Two reales
KM-374.9 2r 1861 Ho FM (Ponterio Baltimore auction, 28 March 2011, lot 8277)
Diameter 27 mm. 6.760 g, 0.90277 silver
| Date | Asssayer | Recorded mintage | Comment |
| 1861 | FM | ||
| 1862/52 | FM/CE | Ho mintmark | |
| 1867/1 | PR/FM | illustrated below | |
| 1867 | PR | Escudo edge |
KM-374.9 2r Hermosillo 1867/1 Ho PR/FM (Stack’s Bowers auction, 13 February 2019, lot 71276)
Four reales
KM-375.5 4r 1861 Ho FM (Stack’s Bowers auction, 26 August 2022, lot 34177)
Diameter 32 mm. 13.540 g, 0.90277 silver
| Date | Asssayer | Recorded mintage | Comment |
| 1861 | FM | ||
| 1862 | FM | two known | |
| 1867/1 | PR/FM | ||
| 1867 | PR |
KM-375.5 4r 1862 Ho FM (Ponterio Baltimore auction, 28 March 2011, lot 8376)
Scarce variety, with the mintmark featuring an “O” after the “H”.