Last Updated
：2025/11/20
DDD
Noun
abbreviation
alt-of
countable
initialism
uncountable
Japanese Meaning
鋳造時に使用される打刻金型（ダイ）が劣化することにより、硬貨に二重の打刻が生じる現象
Sense（1）
Sense（2）
Sense（3）
Sense（4）
Sense（5）
Sense（6）
（ plural ）
Quizzes for review
Initialism of die-deterioration doubling (“a common form of mint-made error on coins that results from degradation of the die used to strike the coin”).
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DDD
The numismatist identified DDD on the circulated coin and explained to the apprentice how it affected the design details.
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The numismatist identified DDD on the circulated coin and explained to the apprentice how it affected the design details.
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English - English
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