Gregorio Martén
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Gregorio Martén is a seasoned coin collector with several decades of experience in numismatics, who has expressed insights about the dynamic and speculative nature of the coin market in Costa Rica.
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Gregorio Martén, who has been collecting coins for several decades, believes this is a very dynamic market.
Ranking de monedas y billetes de Costa Rica: Vea las vendidas a mayor precioLa Nación – main Costa Rican daily, est. 1946·
Costa Rica· 2025-09-28
Costa Rica· 2025-09-28
