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Collecting Spanish-Philippine Decimal Coins
Explore Spanish-Philippine decimal coins and learn how to collect colonial Philippine coinage. This guide covers the Manila Mint, major coin series, denominations, and challenges collectors encounter.

MyKoyns
Dec 6, 20244 min read


Decoding Dates on Japanese Yen Coins: A Beginner’s Guide with Meiji 1 Yen
When I added a beautiful 1893 Japanese 1 Yen silver coin to my collection, I had no idea how to read the date! Japan uses a fascinating dating system based on its emperors, and in this post, I’ll show you exactly how I deciphered it—from recognizing the Era to translating Japanese numerals.

MyKoyns
Oct 28, 20243 min read


Mickey Mouse Money: The Story of Japanese Invasion Notes in the Philippines
During WWII, Japan issued its own currency in the Philippines—called Japanese Invasion Money. Nicknamed “Mickey Mouse Money,” these notes quickly lost value due to overprinting, lack of trust, and Allied counterfeiting. But behind these worthless bills lies a fascinating story of economic manipulation and wartime survival.

MyKoyns
Oct 23, 20244 min read


Mule Coins of the Philippines: Rare Errors with a Twist of History
Explore mule coins of the Philippines through detailed numismatic study and identification. Learn how mismatched dies created rare United States–Philippine (USPI) mule coin varieties, discover notable examples across different denominations, and understand the diagnostic features collectors use to identify these unusual and highly collectible Philippine coins.

MyKoyns
Sep 19, 20244 min read


Celebrating 75 Years: BSP Releases 750-Piso Silver Commemorative Coin
The Bangko Sentral ng Pilipinas has released its latest commemorative coin—a 750-piso silver piece celebrating the bank’s 75th anniversary. This marks BSP’s third major commemorative issue, following releases in 1999 and 2019. The release was highly anticipated, though not without hiccups on the BSP Store website.

MyKoyns
Sep 3, 20242 min read


The Y2K of Coins: The Scarce and Collectible 2000 10 Piso Millennium Coin
While the world braced for the Y2K bug in 2000, the Philippines quietly launched its first bimetallic coin—the 10 Piso Millennium Coin. Once a circulating coin, it has now become a prized collector’s item with growing market value and historical significance.

MyKoyns
Jun 26, 20242 min read


Numismatic Show: A Journey into the World of Coins and Collectors
Last April 2024, I attended my very first numismatic show—and it was more than just coins on tables. It was a community, a classroom, and a marketplace all rolled into one. Here's what I saw, learned, and why I think every collector should experience it at least once.

MyKoyns
Apr 28, 20243 min read


Lapu-Lapu in Philippine Numismatics
Explore how Lapu-Lapu is represented in Philippine numismatics, from the 1-Sentimo coin of the Ang Bagong Lipunan series to modern commemorative medals issued by the Bangko Sentral ng Pilipinas.

MyKoyns
Nov 9, 20234 min read
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