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Roman Orichalcum Sestertius Empire Gordian III, Jupiter 238-244 AD, 17.7 grams
US$380.00
US$550.00
Obv. Laureate, draped and cuirassed bust right, Roman Inscriptions
Rev. Jupiter standing facing left, holding scepter and thunderbolt over Emperor standing left, Roman Inscriptions
Orichalcum is a nobel metal used in ancient, either it consists of pure brass or alloy of brass with gold or silver, or both gold and silver, it's different from bronze which which consists of brass/copper and zinc
Weight: 17.7 grams
Size: 30.21 mm