Screen coins and banknotes
Weight, dimensions, edge, paper, printing, provenance, and when to ask an expert.
Read the guideCBG COIN COLLECTOR BLOG · UPDATED 2026-08-12
Coin and banknote collecting guides
Practical, source-led articles for collectors of Chinese coins, Canadian coins, and Hong Kong banknotes. Guides explain how to inspect and protect an item. News posts identify the original source and publication date; neither is investment advice or a substitute for professional authentication.
START HERE · COLLECTOR GUIDE
How to screen coins and banknotes
Before discussing price, make a simple record: issuer, date, denomination, measurements, edge or paper details, provenance, and certification number. Learn the sequence that helps a new collector decide when to stop and seek professional help.
Collecting news: source gate
We check official mints, grading services, museums, major auction houses, and consumer-protection authorities each day. A news post is published only when it has a current, relevant primary or authoritative source. If there is no suitable item, we publish nothing rather than manufacture freshness.
Authentication, grading, care and local help
Buying PCGS, NGC and PMG certified items
Read the grade, Details notation, certification number, holder, and item photographs together.
Read the guideWhy cleaning can hurt collector value
Original surfaces and paper matter. Learn why cleaning, pressing, repair, or harsh handling can create avoidable risk.
Read the guideToronto coin appraisal and selling preparation
Prepare clear photographs, certification numbers, quantities, condition notes, and provenance before an appraisal.
See local appraisal helpDAILY COLLECTING NEWS
Latest sourced collecting news
New items appear here only after a current official or authoritative source passes our editorial check. Each entry links to its original source and a full CBG COIN explanation.