I came across a Roman tetradrachm of Herennius Etruscus on ebay, surprisingly the seller also included the metal content! Interesting to note a trace amount of gold in it! The coin,
I believe the element Ir is supposed to be Iron which is denoted as Fe, whereas Ir stands for Iridium! Or is it actually Iridium
Wow, only 16% silver. I imagine the coin became increasingly debased over the years, like antoniniani. Here's one of Elagabalus... Elagabalus, 218-222 A.D., Antioch, Seleucis and Pieria AR Tetradrachm, struck 218-220 A.D., 25mm 12.02 grams Obverse: Laureate head of Elagabalus right AVT K M A ANTONEINOC CEB Reverse: Eagle standing left, wreath in beak, star between legs, delta epsilon in field DH MARC EX UPATOC TO B Reference: Prieur 249A; McAlee 760
