Roman/Greek coins to identify

Hello friends,

Here another batch of roma/Greek coins where I ask for your kind support to fully identify.

Really appreciate your contributions!

1. Most probably Antiochia, but I cannot identify it in our catalogue 

2. Seems to have 2 birds or ducks on one of the sides.

3. I can read something like Cordia on one of the sides? Also, a head looking right on the other side.

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4. Seems like two people holding something on one hand. Head looking left on the other side.

5. Head looking right on one side, I can read something like CONSTI

3) CONCORDIA MILITVM with victory on a globe

4) the obverse deserves to be scratched (with care :)

May be Constantius II, 2 victories locked in epic battle …

1.elagabulus,antioch

2.?

3.diocletianus?,concordia militvm

4.costantius I,VICTORIAE DD AVGG Q NN

5.constantinus?