Reales issues of the San Luis Potosí mint
Silver
Quarter real
Diameter 12 mm. 0.845 g, 0.90277 silver
| Date | Asssayer | Recorded Mintage |
Comment |


KM-368.7 ¼r San Luis Potosí 1862/57 SLPi (Stack’s Bowers Auction, 13 February 2019, lot 71494)
Half real
Diameter 16 mm. 1.690 g, 0.90277 silver
| Date | Asssayer | Recorded Mintage |
Comment |
| 1863 | RO | issued while Maximilian's forces controlled the mint (25 December 1863 - 25 December 1866) |


KM-370.10 ½ Real San Luis Potosí 1856 (Stack’s Bowers Auction, 21 October 2023, lot 71004)
One real
Diameter 20 mm. 3.380 g, 0.90277 silver
| Date | Asssayer | Recorded Mintage |
Comment |
Two reales
Diameter 27 mm. 6.670 g, 0.90277 silver
| Date | Asssayer | Recorded Mintage |
Comment |
| 1863 | RO | issued while Maximilian's forces controlled the mint (25 December 1863 - 25 December 1866) |
Four reales
Diameter 32 mm. 13.540 g, 0.90277 silver
| Date | Asssayer | Recorded Mintage |
Comment |
| 1863 | RO | issued while Maximilian's forces controlled the mint (25 December 1863 - 25 December 1866) |
Eight reales
Diameter 39 mm. 27.070 g, 0.90277 silver
| Date | Asssayer | Recorded Mintage |
Comment |
| 1863 | RO | issued while Maximilian's forces controlled the mint (25 December 1863 - 25 December 1866) | |
| 1863 | FC | ||
| 1864 | RO | ||


KM-377.12 8r 1857 MC (Briggs & Bustos)