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Who's Who

alphabetical (many more coming soon)

Bierrenbach, Cristiano -- VP at Heritage Auctions and expert in Spanish Colonial and Latin American coins - including columnarios.

Bruce, Colin R., II -- Author of a number of numismatics books covering world coins, Mexican coins and paper money.

Busse, David -- Type collector of columnarios of Mexico and Guatemala.

Burzio, Humberto -- Author of Diccionario de la Moneda Hispanoamericana which is a massive historical resource for the context of columnarios.

Calbetó de Grau, Gabriel -- Numismatist and columnario expert, author of Compendio de las Piezas de Ocho Reales.

Cayón, Juan Ramon -- The Cayón family has a long history in the world of Spanish numismatics. Juan and Clemente are coauthors of Las Monedas Españolas which is considered a standard reference.

Calicó, Xavier -- Spanish numismatist and researcher with expertise in Spanish-American coinage - including columnarios.

Craig, Freeman -- Very knowledgeable and experienced numismatist

Clegg, Carl -- Professional numismatist and expert on columnarios, originator of the www.columnarios.com web site in 2001.

Dunigan, Mike -- Colonial Spanish Numismatist

Elizondo, Carlos A. -- Columnario expert and author of Eight Reales and Pesos of the New World.

Gilboy, Frank Firth -- Noted numismatist and columnario expert, author of The Milled Columnarios of Central and South America. 

Gurney, Robert -- A technical numismatist with extensive experience studying counterfeits. An engineer by training; collects mostly Caps and Rays.

Harris, Robert P. -- Author of Pillars and Portraits.

Jara, Carlos -- Collector and specialized numismatist. Along with Johnny Chen setup the first columnario website.

Long, Richard -- Professional Numismatist specializing in Mexican coins and banknotes.

Medina, Jose Toribio -- Now deceased but one of the early reseachers of columnarios and author of several noteworthy tomes.

Ponterio, Rick -- Knowledgeable expert in the area of New World coinage who used to run world-class auction business.

Pradeau, Alberto Francisco -- Scholarly numismatist and author of several books on Mexican coins.

Proctor, Jorge -- Numismatist with extensive experience on Spanish colonial mints and colonial production methodologies.

Sedwick, Daniel -- Long-time dealer and numismatist specializing New World coinage -- specializes in cobs following in the tradition of his father, the late Frank Sedwick.

Schuldt, John -- Knowledgeable Collector of Spanish Colonial Coinage.

Sykora, Stefan -- Salvage diver who found a number of 1733 8R columnarios on Coffins Patch off Marathon Florida Keys in the 1980's. Some of his coins are in fabulous condition. 

Yonaka, Brad -- A modern researcher who published A Variety Guide to the Pillar Coinage of the Guatemala, Bogota, Lima, Potosi, and Santiago Mints 1751–1772. He is considered the leading expert on the nuances and die varieties of the non-Mexican mints.

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