Start hereDictionarySearch
English
日本語English中文ItalianoFrançaisDeutschEspañol
Sign in Fees and how to study
NOMISMA
Read history Money history: the world and JapanBubbles, frauds and financial crisesPeople who changed moneyReadingsSee all of Read history
Understand how money works Banks and depositsInterest, prices and exchange ratesCash and digital paymentsHistory's lessons for today's decisionsSee all of Understand how money works
Look at coins Browse by photoImages, letters and materialsCare, storage and tradingSee all of Look at coins
Start hereDictionarySearch
Fees and how to study Sign in
Language
日本語English中文ItalianoFrançaisDeutschEspañol
BIBLIOGRAPHY

Sci Rep 8, 10676 (2018) / CNRS, commentary on Roman Imperial Coinage (hist4).

Nature Scientific Reports・CNRS（Estiot, Mairat）

Claims Supported by This Source

  1. The silver content in the time of Gallienus and Aurelian (270-275) was approximately 5% or less.
  2. The practice of coating coins with a layer of silver-rich copper alloy became widespread.
  3. Aurelian's reform of April-May 274. XXI and KA guaranteed a twenty-to-one ratio, i.e., 5% silver (CNRS commentary on RIC).

How to read the verification levels. 'Read' means the material was read in its entirety. 'Bibliography and abstract confirmed' means the bibliographic information and abstract were verified. 'Via course material' means the source was referenced through the main text of a book or a country's monetary history. The text hash is the SHA-256 of the main text from the original source page, excluding tags and whitespace, used to detect if the material has been altered.