Glossary

Numismatic Glossary

Understand common coin-collecting terms including obverse, reverse, legend, field, exergue, planchet, die, mint mark, patina, proof and circulation strike.

GGullaq Editorial TeamUpdated June 14, 20269 min read

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Why terms matter

Developing a precise numismatic vocabulary is the first step toward becoming a confident coin collector and researcher. When describing historical coins, technical terms like 'obverse' (the side containing the ruler's bust or principal emblem) and 'reverse' (the back side) are used globally to ensure clarity.

By mastering standard terms for a coin's physical structure—such as the legend, the field (the flat background area), and the exergue (the lower portion separated from the main design)—you can easily read standard catalog descriptions, compare listings on online markets, and describe your coins accurately to dealers and grading professionals.

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Common numismatic terms

AEAbbreviation from Latin aes for bronze or copper issues. Catalogues use AE for base-metal coins.

AbhayamudraA hand gesture meaning "do not fear," shown with raised right palm. Seen on Kushan Buddha imagery.

AnnaPre-decimal monetary unit equal to one-sixteenth of a rupee, used in British India and early Republic issues.

AxisDie alignment between obverse and reverse measured like a clock (for example 12h, 6h, 3h).

BillonLow-silver alloy with copper as a major component. Common in late Indo-Greek imitations and medieval issues.

BilingualsCoins carrying two scripts/languages, such as Greek on one side and Kharoshthi on the other.

BrahmiAncient Indian script used widely from early historical periods and seen on many dynastic coin series.

ChaityaSacred structure motif, often shown as a three-arched hill symbol, especially on Western Kshatrapa reverses.

Commemorative CoinCoin issued for an event, person, or anniversary, often sold as collector proof/UNC rather than circulation.

DrachmGreek-origin denomination, usually around 2.0 to 2.5 g in Indo-Greek and Indo-Scythian contexts.

DieHardened stamp used to strike a coin. One die strikes the obverse and the other the reverse.

DinarGold denomination used by Kushans and Guptas, often around 7.5 to 8.0 g.

DirhamIslamic silver denomination used by Ghaznavids, Ghorids, and Sultanate series.

ExergueLower part of a coin design field, often used for mint marks, dates, or secondary legend.

FanamSmall South Indian gold denomination, typically 0.35 to 0.50 g, seen in Vijayanagara and related series.

FlanThe blank metal disc before striking. Flan size/quality strongly affects legend completeness and style.