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.

Numismatic Insight: Did You Know?

Minted in 1997

The Italy 100 Lire coin (1997): Designed by pioneering medallist Laura Cretara—the first woman to sign an Italian Republican circulation coin—this redesigned 1997 100 Lire issue celebrates Italy's maritime and agricultural wealth.

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Use our precision gram weight calculators to count sorted coin batches instantly, or browse the complete world coin catalog.