View source for Mexico 1828-G MR 1/2 real

[[Image:Mexico 1828Go medio real obv Ponterio 159-8149.jpg|300px|thumb|Ponterio sale 159, lot 8149]]
[[Image:Mexico 1828Go medio real rev Ponterio 159-8149.jpg|300px|thumb]]

This specimen was lot 8149 in Ponterio sale 159 (Baltimore, March 2011), where it sold for $138. The catalog description<sup>[1]</sup> noted, "[[Mexico|MEXICO]]. Guanajuato. 1/2 Real, 1828-GMR. No "o" in mintmark. RARE variety. VERY FINE."  It was struck at the Guanajuato mint in 1828, one of a type struck there 1826-68. Assayer MR is listed for 1828 only. This variety, with an incomplete mintmark, is not listed in the SCWC.

''Recorded mintage:'' unknown.

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

''Catalog reference:'' KM-370.7.

''[[Bibliography|Source:]]'' 
* Buttrey, T. V., and Clyde Hubbard, ''A Guide Book of [[Mexico|Mexican]] Coins, 1822 to date, 6th ed.,'' Iola, WI: Krause Publications, 1992.
* Harper, David C., ed., ''North American Coins & Prices: A Guide to U. S., Canadian and Mexican Coins, 17th Ed.,'' Iola, WI: Krause Publications, 2007.
* <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. 

''Link to:''
* [[Mexico 1826-Go MJ 1/2 real|1826-Go ½ real]]
* [[Durango 1828 1/8 real]]
* [[Guanajuato 1828 1/4 real]]
* [[Mexico 1828-Mo JM 1/2 real|1828-M<sup>O</sup> ½ real]]
* [[Mexico 1828-EoMo LF real|1828-E<sup>O</sup>M<sup>O</sup> real]]
* [[Mexico 1828-Mo JM real|1828-M<sup>O</sup> real]]
* [[Mexico 1828-Zs AO real|1828-Z<sup>S</sup> real]]
* [[Mexico 1828-EoMo LF 2 reales|1828-E<sup>O</sup>M<sup>O</sup> 2 reales]]
* [[Mexico 1828-Ga FS 2 reales|1828-G<sup>A</sup> FS 2 reales]]
* [[Mexico 1828-Mo JM 2 reales|1828-M<sup>O</sup> 2 reales]]
* [[Mexico 1828-Zs AO 2 reales|1828-Z<sup>S</sup> 2 reales]]
* [[Mexico 1828-Do RL 8 reales|1828-D<sup>O</sup> 8 reales]]
* [[Mexico 1828-EoMo LF 8 reales|1828-E<sup>O</sup>M<sup>O</sup> 8 reales]]
* [[Mexico 1828-Ga FS 8 reales|1828-G<sup>A</sup> 8 reales]]
* [[Mexico 1828-Go MJ 8 reales|1828-G<sup>O</sup> MJ 8 reales]]
* [[Mexico 1828-Go MR 8 reales|1828-G<sup>O</sup> MR 8 reales]]
* [[Mexico 1828-Mo JM 8 reales|1828-M<sup>O</sup> 8 reales]]
* [[Mexico 1828-Pi JS 8 reales|1828-P<sup>I</sup> 8 reales]]
* [[Mexico 1828-Zs AO 8 reales|1828-Z<sup>S</sup> 8 reales]]
* [[Mexico 1828-Eo Mo LF 2 escudos|1828-E<sup>O</sup> M<sup>O</sup> LF 2 escudos]]
* [[Mexico 1828-Go MJ 8 escudos|1828-G<sup>O</sup> 8 escudos]]
* [[Mexico 1829-EoMo LF 1/2 real|1829-EoMo ½ real]]
* [[Mexico 1831-Go MJ 1/2 real|1831-Go ½ real]]
* [[Coins and currency dated 1828]]
* return to [[Mexican imperial and republican coinage, 1822-1905]]

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