Roman Constantine Follis? identification

Hello, can anyone please identify this Roman coin. 

Weight - 3.5 grams

Diameter - about 16 mm

Thickness - about 1.3 mm

It appears to be a Constantine Follis. 

I think it may be 

N#208151 but I'm not sure. 

Thank you

Hi your link is not good, on your link the legend is Constantinus IVN NOB C, your coin the legend is Constantinus MAX AVG, here are 3 coins that I hesitate, can you read the 3 letters on the reverse? with the photos a bit difficult.…

Thank you.

The letters appear to be R B P

Ok so your coin RIC VII 335 https://www.wildwinds.com/coins/ric/constantine/i.html

Thank you for your help!

Hello, I can't seem to find this coin in Numista.

I looked in numista it is not present that is why I went to wildwinds, I will join you another site to very easily determine the Roman coins from 313 to 498, with this site you can find n any currency very easily, with this site you determine your coin then all you have to do is go get it on wildwinds.

https://www.tesorillo.com/aes/home.htm

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