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<p>[QUOTE="rrdenarius, post: 2324647, member: 75525"]Crawford in Roman Republican Coinage gives weight standards and some average weights. An article in The Celator gave average weights and standard deviations. (I have found the article online in the past, but did not find it today.) When I buy a coin on line, I look for similar examples online (CNG, Sixbid, V-Coins & the British Museum and others) and calculate the average weight, standard deviation, max & min weights. If the coin is outside those norma, I worry about the coin. The weight of Roman Republican denarii started near 4.5 grams per coin in 211 BC and dropped to about 4 grams by 200 BC. The average weight continued to drop, but increased near the end of the RR period (27 BC) to near 4 grams. I would guess that 3.3 is low for Piso Frugi's coins, but within 2 or 3 standard deviations. Piso minted lots of denarii and some low weights is expected.[/QUOTE]</p><p><br /></p>
[QUOTE="rrdenarius, post: 2324647, member: 75525"]Crawford in Roman Republican Coinage gives weight standards and some average weights. An article in The Celator gave average weights and standard deviations. (I have found the article online in the past, but did not find it today.) When I buy a coin on line, I look for similar examples online (CNG, Sixbid, V-Coins & the British Museum and others) and calculate the average weight, standard deviation, max & min weights. If the coin is outside those norma, I worry about the coin. The weight of Roman Republican denarii started near 4.5 grams per coin in 211 BC and dropped to about 4 grams by 200 BC. The average weight continued to drop, but increased near the end of the RR period (27 BC) to near 4 grams. I would guess that 3.3 is low for Piso Frugi's coins, but within 2 or 3 standard deviations. Piso minted lots of denarii and some low weights is expected.[/QUOTE]
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