Between 9 and AD 30 the area of present-day Cologne was mainly a garrison. Legion I Germanica and the Legion XX Valeria Victrix were stationed nearby. The place of the initial Roman Castra was known as Apud Aram Ubiorum (At the Altar of the Ubii).
From AD 70 on the city had a strong city wall that was c. 8 meters in height and 2.5 meters wide. However, the remains of the Roman city wall that can still be seen today are from the 3rd century AD. The unwalled portions of the city were equal to a square kilometer. Its most important steles and grave goods are preserved in the Romano-Germanic Museum.
Modern location: Köln, Germany
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Reverse: DEO MARTI, Mars standing left in tetrastyle temple, resting on shield and spear.
Die Orientation: -
Weight: 3.6 g
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Reverse: VICTORIA AVG, Victory standing left, holding wreath and palm
Die Orientation: 6 H
Weight: 2.99 g
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Reverse: VICTORIA AVG
Die Orientation: -
Weight: 5.2 g

Reverse: MONETA AVG, Moneta standing left with scales & cornucopiae
Die Orientation: -
Weight: 3.75 g

Reverse: SAECVLI FELICTAS, Postumus standing right with spear & globe
Die Orientation: -
Weight: 3.6 g

Reverse: Galley LATITIA AVG
Die Orientation: 12 H
Weight: 2.44 g

Reverse: PAX AVG, Pax standing left with branch and sceptre.
Die Orientation: -
Weight: 3.1 g
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Reverse: P M TR P VIIII COS IIII P P, bow, club and Skythian quiver
Die Orientation: 12 H
Weight: 3.38 g

Reverse: SALVS AVG - Aesculapius standing right, head left, with right hand leaning on serpent-entwined staff, globe at feet.
Die Orientation: 12 H
Weight: 4.22 g

Reverse: FELICITAS AVG - Felicitas standing left with long caduceus and cornucopiae.
Die Orientation: 8 H
Weight: 3.76 g

Reverse: Venus seated left, holding sceptre, reaching for child before her; VENVS F_ELIX
Die Orientation: -
Weight: 3.12 g

Reverse: nimbate Segetiae or Ceres facing in four-columned temple, both hands raised; DEAE SEGETIAE
Die Orientation: -
Weight: 2.4 g

Reverse: Laetitia standing left, holding wreath and anchor; LAETI_TIA AVG N
Die Orientation: -
Weight: 2.51 g

Reverse: sacrificial implements: sprinkler, simpulum, jug, knife, and lituus; PIETAS AVGG
Die Orientation: -
Weight: 3 g

Reverse: Pax standing half left, holding branch and scepter; PADV_DIO
Die Orientation: -
Weight: 2.41 g
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Reverse: AEQUITAS AVG
Die Orientation: -
Weight: 3.23 g

Reverse: INVICTVS, Sol walking left, holding whip, right hand raised, star in left field
Die Orientation: -
Weight: 4.12 g
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Reverse: SALVS AVG, Salus standing right feeding serpent in arms.
Die Orientation: -
Weight: 3.62 g