A Study of the Structural Features of 50-Dinar Coins Minted During the Second Pahlavi Era with Consideration of Iran's Economic Conditions Between 1943 and 1979

Abstract

Various aspects of coins, including their material, purity, weight, and minting processes, reflect societies' economic, political, and social conditions throughout history, and it has been a continuous reality from antiquity to the present.In the contemporary era, particularly during the second Pahlavi period , nine different coins with various nominal values were minted in different forms and types.Among these, the 50-dinar coin stood out as one of the few minted almost continuously throughout this period.Therefore, investigating the material, weight, and minting mechanisms of different types of 50-dinar coins provides valuable insights into the country's conditions during the second Pahlavi era.The research revealed that the first type of 50-dinar coins, minted in 1943 from copper, was soon replaced due to poor corrosion resistance by a second type known as bronze coins.However, elemental analysis indicated that the alloy used in these coins was brass.The minting of these so-called bronze coins continued in two different weights until the mid-1970s.Eventually, rising inflation caused the metal's value to exceed the coin's nominal value, leading to a change in a coining production mechanism from normal rolling to roll bonding (sandwich rolling), which enabled the minting of coins with a low-value metal core (iron) and a surface composed of corrosion-resistant alloys (copper alloys).

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