Guides and articles on collecting banknotes and coins: history, technique, and practical advice.
October 11, 2026 · Notofilia
In 1952 the ten centavos left silver for copper-nickel and put Calarcá’s profile into everyday change. The ordinary date was struck in the millions. The piece called Baltasar still has no verdict.
Read more → Cacique Calarcá: a numismatic afterlife
September 12, 2026 · Notofilia
Grading, rarity, and certified population: a method for discussing value without inventing a price.
Read more → How Colombian banknotes are valued August 28, 2026 · Notofilia
Why grade, how to read the 1-to-70 Sheldon Scale, and which houses —PMG, NGC, PCGS, ANACS, ICG, and Legacy— lead the market.
Read more → Ranking the Best Coin and Banknote Grading Companies
August 3, 2026 · Notofilia
PVC destroys banknotes in silence: it yellows paper, lifts inks, and leaves a greasy film. Why archival polyester (Mylar) is the only safe sleeve.
Read more → Mylar Yes, Plastic No: Storing Banknotes
July 19, 2026 · Notofilia
IBB, IBSFB, and Banco de la República look like three different printers, but they tell another story: one press and a city that changed its name.
Read more → Three Printers? Colombian Imprints
July 16, 2026 · Notofilia
A beginner’s guide: how to choose a focus, where to find pieces, and how to care for and classify your first collectible banknotes.
Read more → How to Start a Banknote Collection
July 16, 2026 · Notofilia
Watermark, security thread, microprinting, color-shifting inks: the features that distinguish a genuine banknote from a fake.
Read more → How to Identify Counterfeit Banknotes
July 16, 2026 · Notofilia
Numismatics and notaphily are often confused. What each studies, how they relate, and why the distinction matters to collectors.
Read more → Numismatics vs Notaphily
July 16, 2026 · Notofilia
Low serials, radars, solids, ladders: why some serial numbers drive a banknote’s value among collectors.
Read more → Fancy Serial Numbers on Banknotes
July 16, 2026 · Notofilia
Before a central bank existed, dozens of Colombian private banks issued their own notes. How free banking worked —and why it ended.
Read more → Origins of Commercial Banking in Colombia
July 16, 2026 · Notofilia
From the Spanish peso to the dollar: how issuing banks were born in Puerto Rico with the Banco Español de Puerto Rico, and what changed after 1898.
Read more → Origins of Commercial Banking in Puerto Rico
July 16, 2026 · Notofilia
From Bolívar and Policarpa to García Márquez and Débora Arango: the faces that have starred on Colombian paper money and what they represent.
Read more → Figures on Colombia Banknotes