Mexico 1919-M 50 centavos KM-447
The first specimen was lot 42772 in Stack's Bowers NYINC sale (New York, January 2023), where it sold for $80. The catalog description[1] noted, "MEXICO. 50 Centavos, 1919-M. Mexico City Mint. PCGS MS-64." This is the first date of a type struck 1919-21, 1925, 1937-39, 1942-45. In the reform of 1905, the fifty centavos was reduced from 13.54 g, 0.903 fine silver to 12.5 g, 0.800 fine. In 1918, the diameter was reduced from 30 mm to 27 mm and the weight lowered to 9.06 g. In late 1919, the weight was lowered again, to 8.33 g, and the purity reduced to 0.720 fine. The fifty centavos was struck in this form until 1945.
Recorded mintage: 10,200,000 plus 29,670,000 of KM 446.
Specification: 8.33 g, 0.720 fine silver, 27 mm diameter.
Catalog reference: KM-447.
- Amaya Guerra, Carlos Abel, Epitome Ilustrado de la Moneda Mexican Moderna, 1905 a 2015, Monterrey, Mexico, 2015.
- Bailey, Don and Lois, Whitman Encyclopedia of Mexican Money, Volume 1, An Illustrated History of Mexican Coins and Currency, Atlanta: Whitman Publishing, 2014.
- Buttrey, T. V., and Clyde Hubbard, A Guide Book of Mexican Coins, 1822 to date, 6th ed., Iola, WI: Krause Publications, 1992.
- Michael, Thomas, and Tracy L. Schmidt, Standard Catalog of World Coins, 1901-2000, 47th ed., Iola, WI: Krause Publications, 2019.
- Harris, Robert P., A Guide Book of Modern Latin American Coins, Racine, WI: Whitman Publishing Co., 1966.
- Utberg, Neil S., The Coins of Mexico, 1536-1963, San Antonio, TX, 1963.
- Friedberg, Arthur L. and Ira S. Friedberg, Gold Coins of the World, From Ancient Times to the Present, 9th ed., Clifton, NJ: Coin and Currency Institute, 2017.
- [1]Orsini, Matt, Kyle Ponterio and Jeremy Bostwick, The January 2023 NYINC Auction: Ancient Coins, World Coins & Paper Money, featuring the Taraszka Collection and the Mark and Dottie Salton Collection, Costa Mesa, CA: Stack's Bowers LLC, 2022.
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