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Philippine Numismatics
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Investigating the Origins of Grooved Philippine Coins
Explore the unusual origins of grooved Philippine coins and the question of whether they are mint errors, post-mint damage, scrap markings, or undocumented numismatic pieces.

MyKoyns
Jun 44 min read


Problem Coins in Philippine Numismatics: What Damage Can Reveal About History
Learn how holed, cleaned, and damaged coins reveal real-world use and history. Explore problem coins in Philippine numismatics and how collectors interpret them.

MyKoyns
May 177 min read


History of Philippine Money
A quick look at the historical development of Philippine money across political transitions and economic reforms.

MyKoyns
May 172 min read


A Quick Dive into the History of Money
Discover the quick history of money, from barter systems and early coinage to paper money and modern monetary systems.

MyKoyns
May 172 min read


José Rizal in Philippine Numismatics
Explore the legacy of José Rizal in Philippine numismatics, including circulating coins, commemorative issues, and currency that honor the Philippine national hero.

MyKoyns
Jan 275 min read


Douglas MacArthur in Philippine Numismatics
Explore the legacy of General Douglas MacArthur in Philippine numismatics, including the historic 1947 commemorative coins and later issues honoring the liberation of the Philippines.

MyKoyns
Nov 24, 20254 min read


Coins Across Oceans: Spanish Colonial Currency of the Philippines
Explore how Spanish colonial coins circulated in the Philippines through the Manila–Acapulco Galleon Trade, from early cobs to Spanish-Philippine coinage.

MyKoyns
May 18, 20254 min read


The Manila Mint: A Turning Point in Philippine Monetary History
Discover how the Manila Mint, established in 1861, transformed Philippine monetary history by producing the first locally minted gold and silver coins.

MyKoyns
Feb 24, 20256 min read
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