View source for Mexico 1842-Pi PS 1/2 real

[[Image:Mexico 1842Pi medio obv Ponterio 159-8161.jpg|300px|thumb|Ponterio sale 159, lot 8161]]
[[Image:Mexico 1842Pi medio rev Ponterio 159-8161.jpg|300px|thumb|photo courtesy Ponterio & Associates]]
[[Image:Mexico 1842Pi medio obv Ponterio 159-8162.jpg|300px|thumb|Ponterio sale 159, lot 8162]]
[[Image:Mexico 1842Pi medio rev Ponterio 159-8162.jpg|300px|thumb|photo courtesy Ponterio & Associates]]

The type was struck at San Luis Potosí 1831 and 1842-63, with assayer PS listed for 1842-43. These specimens were lot 8161 and 8162 in Ponterio sale 159 (Baltimore, March 2011), where they sold for $575 and $1,092.50. The catalog description<sup>[1]</sup> noted, "[[Mexico|MEXICO]]. Potosi. 1/2 Real, 1842/41-PiPS/JS. Toned. NGC MS-62" for the first and "MEXICO. Potosi. 1/2 Real, 1842-PiPS. NGC MS-65" for the second. This date is listed as scarce.

''Recorded mintage:'' unknown.

''Specification:'' 1.69 g, 0.903 fine silver, .049 troy oz ASW.

''Catalog reference:'' KM 370.10. 

''[[Bibliography|Source:]]''
* Michael, Thomas, and Tracy L. Schmidt, ''Standard Catalog of World Coins, 1801-1900, 9th ed.'', Iola, WI: Krause Publications, 2019.
* Buttrey, T. V., and Clyde Hubbard, ''A Guide Book of [[Mexico|Mexican]] Coins, 1822 to date, 6th ed.,'' Iola, WI: Krause Publications, 1992.
* <sup>[1]</sup>Ponterio, Richard, ''Ponterio sale 159: the March 2011 Baltimore Auction, featuring the Len Novotny collection,'' Irvine, CA: Stack's-Bowers & Ponterio, 2011. 

''Links to:''
* [[Mexico 1837-Do RM 1/2 real|1837-Do ½ real]]
* [[Mexico 1842-Mo 1/8 real|1842-M<sup>O</sup> 1/8 real]]
* [[Mexico 1842-Ga JG 1/4 real|1842-G<sup>A</sup> ¼ real]]
* [[Mexico 1842-Go LR 1/4 real|1842-G<sup>O</sup> LR ¼ real]]
* [[Mexico 1842-Go PM 1/4 real|1842-G<sup>O</sup> PM ¼ real]]
* [[Mexico 1842-Do LR 1/4 real|1842-D<sup>O</sup> ¼ real]]
* [[Mexico 1842-Mo LR 1/4 real|1842-M<sup>O</sup> ¼ real]]
* [[Mexico 1842-SLPi 1/4 real|1842-SLP ¼ real]]
* [[Mexico 1842-Z LR 1/4 real|1842-Z ¼ real]]
* [[Mexico 1842-D RM 1/2 real|1842-D ½ real]]
* [[Mexico 1842-Ga JG 1/2 real|1842-G<sup>A</sup> ½ real]]
* [[Mexico 1842-Go PJ 1/2 real|1842-G<sup>O</sup> PJ ½ real]]
* [[Mexico 1842-Go PM 1/2 real|1842-G<sup>O</sup> PM ½ real]]
* [[Mexico 1842-Mo ML 1/2 real|1842-M<sup>O</sup> ½ real]]
* [[Mexico 1842-D RM real|1842-D real]]
* [[Mexico 1842-Ga JG real|1842-G<sup>A</sup> real]]
* [[Mexico 1842-Zs OM real|1842-Z<sup>S</sup> real]]
* [[Mexico 1842/32-Do RM 2 reales|1842-D<sup>O</sup> 2 reales]]
* [[Mexico 1842-Pi JS 2 reales|1842-P<sup>I</sup> JS 2 reales]]
* [[Mexico 1842-Pi PS 2 reales|1842-P<sup>I</sup> PS 2 reales]]
* [[Mexico 1842-Pi PS 4 reales|1842-P<sup>I</sup> 4 reales]]
* [[Mexico 1842-Zs OM 4 reales|1842-Z<sup>S</sup> 4 reales]]
* [[Mexico 1842-Ca RG 8 reales|1842-C<sup>A</sup> 8 reales]]
* [[Mexico 1842-Do RM 8 reales|1842-D<sup>O</sup> 8 reales]]
* [[Mexico 1842-Ga JG 8 reales|1842-G<sup>A</sup> 8 reales]]
* [[Mexico 1842-Go PJ 8 reales|1842-G<sup>O</sup> PJ 8 reales]]
* [[Mexico 1842-Go PM 8 reales|1842-G<sup>O</sup> PM 8 reales]]
* [[Mexico 1842-Mo ML 8 reales|1842-M<sup>O</sup> ML 8 reales]]
* [[Mexico 1842-Mo MM 8 reales|1842-M<sup>O</sup> MM 8 reales]]
* [[Mexico 1842-Pi JS 8 reales|1842-P<sup>I</sup> JS 8 reales]] 
* [[Mexico 1842-Pi PS 8 reales|1842-P<sup>I</sup> PS 8 reales]]
* [[Mexico 1842-Zs OM 8 reales|1842-Z<sup>S</sup> 8 reales]]
* [[Mexico 1842-Mo ML 1/2 escudo|1842-M<sup>O</sup> ML ½ escudo]]
* [[Mexico 1842-Mo MM 1/2 escudo|1842-M<sup>O</sup> MM ½ escudo]]
* [[Mexico 1842-Ga JG 1/2 escudo|1842-G<sup>A</sup> ½ escudo]]
* [[Mexico 1842-Ca RG 8 escudos|1842-C<sup>A</sup> 8 escudos]]
* [[Mexico 1842/32-Do RM 8 escudos|1842-D<sup>O</sup> 8 escudos]]
* [[Mexico 1842-Go PJ 8 escudos|1842-G<sup>O</sup> PJ 8 escudos]]
* [[Mexico 1842-Go PM 8 escudos|1842-G<sup>O</sup> PM 8 escudos]]
* [[Mexico 1842-Mo ML 8 escudos|1842-M<sup>O</sup> 8 escudos]]
* [[Mexico 1844-Go PM 1/2 real|1844-Go ½ real]]
* [[Coins and currency dated 1842]]
* return to [[Mexican imperial and republican coinage, 1822-1905]]

[[Category:Silver minors of Mexico]][[Category:Selections from Ponterio sale 159]]