Are these antoninianus coins real or fake? [solved]

Are these fakes or real? 

Why am I concerned? To me, they look too much alike; they all weight around 4,3 - 4,5g; they all look very uniform - same kind of patina; none has any trace of silver.  Any help would be greatly appreciated. Thanks in advance

Hello, these are fakes from a very well known series that often appears on ebay, sometimes even 50 identical coins at one time. Unfortunately, they are rather well made and deceiving 

Coins like these come from workshops in Serbia, often being mass produced and then slowly dispersed. Originally, they are offered in bulk, like these:

Hi! Wertinas thank you very much. I had this feeling all along but I needed some other opinion too. Thanks for taking a moment to write an answer. Have a nice day!