Need help with these 3 roman coins

Need help with establishing the emperor for this follis? Aswell as which mint

I think its constantius 

FLIVL Constantivs NC

Providae next is unknown

Mint symbols seem to be HS or IIS

Weighs 3.14g

Lenght of 18.7-19.05mm

Need help with this probus antoninanus 

I can read PROBVS PF AVG

But i have no clue about the otherside or the mint 

It weighs 2.37g

Lenght of 20.83-21mm

Lastly i need help figuring out the mint for this Diocletius Antoninanus 

IMP CC VAL DIOCLETIVS AVS? PF AVF

CONCORDIA MILITUM

HS/KS 

Weighs 3.11g

Measures between 19.92-21.42mm

For the first coin the emperor is Constantius II, reverse PROVIDENTIAE CAESS.

Didn't find the mintmark yet.

Third coin I believe it's this one: N#87344 

Edit: I found #2:  N#293969 

Giobruno

For the first coin the emperor is Constantius II, reverse PROVIDENTIAE CAESS.

Didn't find the mintmark yet.

 

Third coin I believe it's this one: N#87344 

 

 

 

Edit: I found #2:  N#293969 

#2 is a positive id thank you 

Giobruno

For the first coin the emperor is Constantius II, reverse PROVIDENTIAE CAESS.

Didn't find the mintmark yet.

 

Third coin I believe it's this one: N#87344 

 

 

 

Edit: I found #2:  N#293969 

3rd coin is close but not that one he wears no neclace on my copy 

Terrazone

 

3rd coin is close but not that one he wears no neclace on my copy 

After looking again, I agree.

This one fits better: N#40301