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Philippine Numismatics
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How to Detect Counterfeit Philippine Coins
Learn how to detect counterfeit Philippine coins using key authentication methods, including specifications, visual inspection, and basic tests.

MyKoyns
3 days ago2 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
4 days ago7 min read


How to Read Philippine Coin Details: Dates, Mint Marks, and Variations
Learn how to read Philippine coin details such as dates, mint marks, legends, and varieties across major series. A practical guide for collectors building stronger identification skills.

MyKoyns
4 days ago3 min read


Collecting U.S.-Philippine Coins (USPI)
Learn about U.S.–Philippine coinage (1903–1946), including designs, mint marks, varieties, proof issues, and key rarities in this collector’s guide to USPI coins.

MyKoyns
May 135 min read


Japanese Invasion Money and Occupation Medals
Learn how to collect Japanese Invasion Money (JIM) and occupation medals in the Philippines, including denominations, design features, serial varieties, and collectible issues.

MyKoyns
May 53 min read


Collecting Spanish-Philippine Copper Coins
Learn how to collect Spanish-Philippine copper coins, including Barilla, Cuarto, and Octavo. Explore key identification features, historical context, and practical tips for collectors.

MyKoyns
May 43 min read


Collecting Spanish Milled Coins in the Philippines
Learn how to collect Spanish milled coins in the Philippines, including pillar and bust types, key design features, mint marks, and collector insights for 1732–1825 coinage.

MyKoyns
May 43 min read


Collecting Spanish Cobs in the Philippines
A practical guide to collecting Spanish cobs in the Philippines (1572–1773), including identification features, weights, mint marks, and key details for collectors.

MyKoyns
May 43 min read
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