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Philippine Numismatic Blogs


The 10 Centavos Coin: A 160-Year Journey Through Philippine History
Did you know the 10 Centavos coin is the longest-running denomination in Philippine coinage history? From its silver debut in 1864 to its final appearance in 2017, this humble coin witnessed centuries of change—from Spanish colonization, American occupation, and Commonwealth rule to full independence and modern-day Philippines. Explore its evolution through history, design, and materials—and discover how a small coin made a lasting impact on a nation’s currency.

My Koyns
Jul 11, 20235 min read


Minted for a New Era: The 1936 Philippine Commonwealth Silver Coins
Many believe the first Philippine commemorative coins were issued in 1947 featuring General Douglas MacArthur. But over a decade earlier, a special silver coin set was minted in 1936 to commemorate the establishment of the Philippine Commonwealth. Designed by Filipino artist Ambrosio Morales, these coins not only feature historic leaders but also survived a dramatic wartime fate that makes them highly sought after today.

My Koyns
Apr 23, 20232 min read


A Peso’s Worth: The Gold and Silver One Peso Coin of the Philippines
The Philippine One Peso coin wasn’t always made of base metals. Discover its evolution—from Spanish gold to U.S. silver—and how much it's worth to collectors today.

My Koyns
Nov 6, 20224 min read


Collecting Philippine Commemorative Proof Sets: Beauty, Rarity, and Value
From a curious beginner to a passionate collector, this blog explores the journey of discovering Philippine Commemorative Proof Sets—why they’re beautiful, rare, and increasingly hard to find. Learn about their mintage, current market prices, and tips for building your own collection.

My Koyns
Sep 25, 20223 min read


The Last Spanish Coin of the Philippines: Collecting the 1897 Alfonso XIII UN Peso
Did you know the last Spanish coin struck for the Philippines is nicknamed “Batang Alaska”? The 1897 Alfonso XIII UN Peso features a young king whose image reminds Pinoy collectors of the Alaska Milk logo. In this blog, I share my passion for this iconic coin, explore its historical and numismatic value, and offer tips to avoid common replica scams—especially from online sellers abroad.

My Koyns
Sep 5, 20223 min read


Exploring Alfonso XII 50 Centavos (1880–1885): Rarity, Values, and Hidden Varieties
The Alfonso XII 50 Centavos silver coins, minted in Manila from 1880 to 1885, are prized treasures in Spanish-Philippine coin collecting. With low mintage years like 1880 and 1884, mint errors, and hidden overdates such as 1882/1 and possibly 1883/5, these coins offer rich ground for discovery. In this blog, I share my collecting journey, how I spot errors, and why this underrated series deserves a second look from collectors.

My Koyns
Aug 29, 20224 min read


Proof, Matte, or BU? A Collector’s Guide to Philippine Commemorative Coins
“Proof ka ba? Inde Matte!” If you’re confused by the terms Proof, Matte, and BU when buying or collecting Philippine commemorative coins, you’re not alone. In this guide, I share what I’ve learned — from shiny mirrors to jelly-like reflections — on how to tell these finishes apart using practical tests and ABL coin examples. Whether you’re new to collecting or just curious, this blog will help you confidently spot the difference.

My Koyns
Jul 26, 20223 min read


Beginner’s Guide to Numismatics: How to Start Your First Coin, Banknote, or Medal Collection
New to collecting? This beginner’s guide to numismatics offers practical advice on starting your first collection of coins, banknotes, or medals—from choosing reliable sources and identifying market prices to protecting your collectibles and joining numismatic communities.

My Koyns
Jul 18, 20225 min read
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