Coin identification

Can someone identify this coin and tell me something about It please

Pictures cropped, if it helps.
What also might help is the diameter.

Using the Search by picture, these were among the results using that second picture:
https://en.numista.com/catalogue/pieces134808.html [13.0mm]
https://en.numista.com/catalogue/pieces82079.html [15.5mm]

Obverse: Veiled bust right
Lettering: DV CONSTANTI-NVS PT AVGG
Reverse: Veiled Constantine standing right
Lettering: VN - MR

Цитата: "ZacUK"​ Using the Search by pictures, this was among the results using that second picture:
​https://en.numista.com/catalogue/pieces134808.html
​
​Obverse: Veiled bust right
​Lettering: DV CONSTANTI-NVS PT AVGG
​Reverse: Veiled Constantine standing right
​Lettering: VN - MR

​Correct although I think the mint is Nicomedia. As far as I can tell the mint starts with SMN which would make it Nicomedia not Antioch.

I added another coin to earlier reply. Now found a third:
https://en.numista.com/catalogue/pieces154008.html [14.0mm]
And yes saw the different letters below reverse image - could not see what they are.

A fourth coin found: Follis - Constantinus I VN MR; Nicomedia
https://en.numista.com/catalogue/pieces305130.html [15.0mm]