Global Numismatic Reference & Coin Catalog

World Coin Catalog & Weight Calculators

Search verified world coins by Krause KM# number, check exact planchet weights in grams, calculate coin roll totals, and explore complete monetary histories by country.

140

Browse Verified Coins

246

Explore Country Profiles

KM# Verified

Search Krause Catalog

Gram Exact

Weigh Rolls & Bullion

Numismatic Insight: Did You Know?

Minted in 2018

The Moldova 5 Lei coin (2018): Issued in 2018 as part of Moldova's new metallic coin series replacing small banknotes, this bimetallic 5 Lei coin features a brass-plated steel center encircled by a nickel-plated steel ring.

Inspect Coin Weight Calculators

Latest Catalog Additions

Recently Added World Coins

Browse Full Coin Catalog

Puerto Rico 1895

Tailor-Made Collector & Bullion Suite

Interactive Numismatic Tools & Research Modules

Built for numismatists, precious metal investors, and coin roll hunters to verify exact gram weights, evaluate bullion alloy purity, explore sovereign mints, and master world geography.

Explore All Calculators

Coin Roll & Weight Calculators

Calculate exact coin roll weights in grams, intrinsic gold and silver bullion melt values, specific gravity authenticity, and Sheldon grading tolerances.

Launch Calculators