Miguel Costa
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Miguel Costa
@mncgmxpt.bsky.social
210 followers 80 following 400 posts
Research and study of History and Cultural Heritage.
Numismatist. Author of the descriptive study on the coinage of Portuguese 400 Reis silver coins.
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#numismatics #ancientcoins #romancoins #ibero-romancoins
#coin-enthusiasts #coins
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1/3
Sestertius - RIC III Marcus Aurelius 836
Date 161 - 162 AD ; Mint: Rome

#numismatics #ancientcoins #romancoins #coin-enthusiasts #coins #romanarchaeology #roman #romanempire #ancientbluesky
May 30, 2025 at 2:34 PM
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1/3
Sestertius - RIC IV Caracalla 512A
Date 210 - 213 AD ; Mint: Rome

#numismatics #ancientcoins #romancoins #coin-enthusiasts #coins #romanarchaeology #roman #romanempire #ancientbluesky
May 29, 2025 at 1:34 PM
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1/5
Denomination: Escudo de São Tomé, (1000 Reais)
Mint: Lisbon
Authorit: King João III of Portugal, (1521 - 1557)

#numismatics #coin-enthusiasts #coins #rarecoins #culturalheritage
February 2, 2025 at 6:45 PM
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Ibero-Roman Coins
Denomination: As
Mint: SALDUIE - CAESARAUGUSTA, today is the city of Zaragoza, Spain
Dating: time of Gaius/Caligula (37AD-41AD)
Portrait: Agrippa

#numismatics #ancientcoins #romancoins #ibero-romancoins #coin-enthusiasts #coins #romanarchaeology #roman #romanempire #ancientbluesky
January 31, 2025 at 6:48 PM
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Ibero-Roman Coins
Denomination: As
Mint: CAESAR AUGUSTA, today is the city of Zaragoza, (Spain)
Dating: time of Augustus (27 BC - 14 AD)

#numismatics #ancientcoins #romancoins #ibero-romancoins #coin-enthusiasts #coins #romanarchaeology #roman #ancientbluesky
January 27, 2025 at 5:13 PM
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Ibero-Roman Coins
Denomination: Semis
Mint: IULIA TRADUCTA, today is the city of Algeciras, (Andalusia - Spain)
Dating: time of Augustus (27 BC - 14 AD)

#numismatics #ancientcoins #romancoins #ibero-romancoins #coin-enthusiasts #coins #romanarchaeology #roma #romanempire #ancientbluesky
January 24, 2025 at 6:35 PM
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1/6
Votive artifact from the Chalcolithic period (3rd millennium BC), from the prehistoric settlement of Olelas, Almargem do Bispo, Sintra, (Portugal). ...

#ancientbluesky #archaeology #prehistory #ancienthistory #history #historyfiles #preroman #ancienteurope #museums #culturalheritage
January 23, 2025 at 4:10 PM
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1/6
Denomination: Engenhoso, (500 Reais)
Mint: Lisbon
Authorit: King Sebastião I of Portugal, (1557 - 1578)

#coins #numismatics #coin-enthusiasts #coins #rarecoins #culturalheritage
January 22, 2025 at 3:57 PM
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1/3
Aureus - RIC I (second edition) Tiberius 29
Date 14 AD - 37 AD ; Mint: Lugdunum

#numismatics #ancientcoins #romancoins #coin-enthusiasts #coins #romanarchaeology #roman #romanempire #ancientbluesky
January 18, 2025 at 6:14 PM
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Ibero-Roman Coins
Denomination: As
Mint: GRACCURRIS, today is the town of Alfaro, (La Rioga - Spain)
Dating: time of Tiberius (14 AD - 36 AD)

#numismatics #ancientcoins #romancoins #ibero-romancoins
#coin-enthusiasts #coins #romanarchaeology #roman #romanempire #ancientbluesky
January 17, 2025 at 6:06 PM
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Ibero-Roman Coins
Denomination: Dupondius
Mint: SALDUIE - CAESARAUGUSTA, today is the city of Zaragoza, (Spain)
Dating: 31 AD - 32 AD, (time of Tiberius)

#numismatics #ancientcoins #romancoins #ibero-romancoins #coin-enthusiasts #coins #romanarchaeology #roman
#romanempire #ancientbluesky
January 13, 2025 at 6:08 PM
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Ibero-Roman Coins
Denomination: Semis
Mint: BILBILIS, today is the town of Huérmeda, (Calatayud - Zaragoza - Spain)
Dating: time of Tiberius (14 AD - 36 AD)

#numismatics #ancientcoins #romancoins #ibero-romancoins #coin-enthusiasts #coins #romanarchaeology #roman #romanempire #ancientbluesky
January 11, 2025 at 7:44 PM
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Ibero-Roman Coins
Denomination: As
Mint: CLUNIA SULPICIA, near the present-day town of Coruña del Conde, (Burgos), Spain
Dating: time of Tiberius (14 AD - 36 AD)

#numismatics #ancientcoins #romancoins #ibero-romancoins #coin-enthusiasts #coins #romanarchaeology #roman
#romanempire #ancientbluesky
January 10, 2025 at 6:31 PM
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Ibero-Roman Coins
Denomination: Quadrans
Mint: KASTILO-CASTULO, near the present-day town of Linares (Jaén), Spain
Dating: 180 BC

#numismatics #ancientcoins #romancoins #ibero-romancoins
#coin-enthusiasts #coins #romanarchaeology #roman #romanempire #ancientbluesky
January 8, 2025 at 4:06 PM
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1/8
The Portuguese of King Manuel I of Portugal

In the 16th century, Portugal lived a period of great economic prosperity, ....

#numismatics #coin-enthusiasts #coins #rarecoins #culturalheritage
January 7, 2025 at 2:23 PM
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Ibero-Roman Coins
Denomination: As
Mint: SEGOBRIGA, today is the town of Saelices, (Cuenca, Castilla-La Mancha, Spain)
Dating: time of Gaius/Caligula (37AD - 41AD)

#numismatics #ancientcoins #romancoins #ibero-romancoins #coin-enthusiasts #coins #romanarchaeology #roman #romanempire #ancientbluesky
January 2, 2025 at 4:25 PM
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Ibero-Roman Coins
Denomination: As
Mint: ILICI, today is the city of Elche, (Alicante - Spain)
Dating: time of Tiberius (14 AD - 36 AD)

#numismatics #ancientcoins #romancoins #ibero-romancoins #coin-enthusiasts #coins #romanarchaeology #roman #ancientbluesky
January 1, 2025 at 6:47 PM
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Ibero-Roman Coins
Denomination: As
Mint: BILBILIS, today is the town of Huérmeda, (Calatayud - Zaragoza - Spain)
Dating: time of Gaius/Caligula (37 AD - 41 AD)

#numismatics #ancientcoins #romancoins #ibero-romancoins #coin-enthusiasts #coins #romanarchaeology #roman #romanempire #ancientbluesky
December 23, 2024 at 8:28 PM
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Ibero-Roman Coins
Denomination: As
Mint: EMERITA AUGUSTA, today is the city of Merida, (Spain)
Dating: time of Tiberius (14 AD - 36 AD)

#numismatics #ancientcoins #romancoins #ibero-romancoins #coin-enthusiasts #coins #romanarchaeology #roman #romanempire #ancientbluesky
December 21, 2024 at 6:40 PM
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Ibero-Roman Coins
Denomination: As
Mint: MURTILIS, today is the town of Mértola, (Alentejo - Portugal)
Dating: between 120 and 50 BC

#numismatics #ancientcoins #romancoins #ibero-romancoins #coin-enthusiasts #coins #romanarchaeology #roman #romanempire
December 20, 2024 at 6:07 PM
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1/3
This Ring Stone is the oldest trace of Jewish presence in what is now Portuguese territory.

#ancientbluesky #archaeology #ancienthistory #culturalheritage #biblicalarchaeology #jewish #judaism #history
December 18, 2024 at 6:28 PM
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Tribute from the villa of Ammaia to Emperor Lucius Verus

#ancientbluesky #archaeology #ancienthistory #romanarchaeology #roman #romanempire #culturalheritage
December 17, 2024 at 5:09 PM
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8/9
... When this part of the Iberian peninsula was already under Arab rule, the city seems to have been completely abandoned in favor of the nearby fortified settlement of Marvão. ...

#ancientbluesky #archaeology #ancienthistory #romanarchaeology #roman #romanempire #culturalheritage
December 16, 2024 at 3:43 PM
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7/9
... During the 4th century there was a systematic reconstruction and restoration of the spaces of Ammaia. Yet, between the 5th and 9th centuries, Ammaia fell in decline and depopulated. ...

#ancientbluesky #archaeology #ancienthistory #romanarchaeology #roman #romanempire #culturalheritage
December 16, 2024 at 3:43 PM
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6/9
... Many of its urban structures developed through the exploitation of the area's natural resources, and access to several roads connecting it to the provincial capital of Emerita Augusta. ...

#ancientbluesky #archaeology #ancienthistory #romanarchaeology #roman #romanempire #culturalheritage
December 16, 2024 at 3:43 PM