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The semis (“SEH-miss”) coin was worth half of an as, and was first made in 280 BC. After the Roman Republic came to an end, the semis was continued into the Roman Empire. However, it was never a regularly-issued coin, and the production of semisses ended with the reign of Hadrian (117 — 138 AD).
Note that the translation for semis in Italian is semisse; look for that term in sales listings which may include Italian-speaking sellers.
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TRAJAN Rare SEMIS of Rome for ANTIOCH on the ORONTES Ancient Roman Coin i78471
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$797.00$398.50 or best offer
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TRAJAN 98AD SEMIS of Rome for Antioch in Seleukis CADUCEUS Roman Coin i100536
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NGC XF Trajan 98-117 AD Roman Empire Antioch AE Chalkous, EXTREME SCARCE VARIETY
$399.99
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TRAJAN Semis AD 98-117 SYRIA ANTIOCH RIC 650 SHARP DETAILS B49 #1357
$232.07 or best offer
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Nero Æ Semis. Rome, AD 64. NERO CAESAR AVG RIC 234 B49 #1352
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Trajan 98-117AD AE Semis. Rome for Syrian Circulation
$235.05
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BRONZE SEMIS, HADRIAN, 117-138 AD. ROME MINT, C. 125-128 AD. ROMA REVERSE. RARE.
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(1st c. BC) Roman Spain - AE Semis of Castulo, NGC Ch VF.
$374.95
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[#1277488] Domitian, Semis, 90-91, Rome, Bronze, EF, RIC:710
$232.70 or best offer
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DOMITIAN. 81-96 AD. BRONZE SEMIS. BASKET OF WHEAT STALKS REVERSE. VERY RARE.
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