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In 513, the weights of these coins were doubled, the pentanummium (Greek: πεντανούμμιον, 5-nummi coin marked with "E") introduced, and the minting of single nummi resumed. [8] In 538–539, Emperor Justinian I introduced further changes to the 40-nummi follis, raising its weight to 25 grams. It was reduced again to 22.5 grams in ...
In the early 9th century, a three-fourths-weight solidus was issued in parallel with a full-weight solidus, both preserving the standard of fineness, under a failed plan to force the market to accept the underweight coins at the value of the full weight coins. The 11 ⁄ 12 weight coin was called a tetarteron (a Greek comparative adjective ...
A coin base weight (Münzgrundgewicht) is a mathematical reference for the minting of coins that was used in the monetary systems of the Holy Roman Empire. In conjunction with the coin standard ( Münzfuß ), the coin base weight indicates how many coins are to be minted from a specified standard weight.
40 ("M" is "40" in Greek) and 5 ("Є" is "5" in Greek) nummi of Anastasius. A Byzantine follis of Constantine VII and Zoe. 914-919AD. 26 mm.. The term "follis" is used for the large bronze coin denomination (40 nummi) introduced in 498, with the coinage reform of Anastasius, which included a series of bronze denominations with their values marked in Greek numerals.
The earliest Biblical passages which mention it (Exodus 20:10 and 24:21; Deut. 5:14; Amos 8:5) presuppose its previous existence, and analysis of all the references to it in the canon makes it plain that its observance was neither general nor altogether spontaneous in either pre-exilic or post-exilic Israel.
Coin weights are weights used to weigh precious-metal coins in order to assure they were not underweight (It is easy to shave a bit of metal off the edge of a silver or gold coin). [1] The usage of coin weights, especially glass ones, goes back to Ptolemaic and Byzantine times. [1] Coin weights were also known in Ancient China. [2]
The Achaean standard consisted of a stater of around 8 g, divided into three drachms of 2.6 g and obols of 0.4 g; these weights declined over time. It was first used in the mid-sixth century by the Greek city-states of Sybaris, Metapontum, and Croton, which had been founded in Magna Graecia by Achaeans from the Peloponnese, and it remained one of the main standards in Magna Graecia until the ...
The pennyweight is the common weight used in the valuation and measurement of precious metals. Jewellers use the pennyweight in calculating the amount and cost of precious metals used in fabricating or casting jewellery. Similarly, dentists and dental labs still use the pennyweight as the measure of precious metals in dental crowns and inlays. [5]