Roman coin I.D. confirmation

[Back-of-the-boat]

I was given this coin when I was a child and I have tried to find out what it is the nearest I came up with was; Carinus ,billon tetra drachm not sure if this is correct and if not can someone please help me I.D. also not sure of the metal make-up of the coin I believe it is Bronze. The dime is for reference so I don't need an I.D. on the dime.LOL Thank you in advance.

 

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[CRUSADER]

Carinus AD 284-5, Alexandria, AE tetradrachm (circa 18,5 mm; 8,46 g), A K MA KAPINOC CEB, laureate, draped & cuirassed bust right / LEG B TPAI, eagle standing left, head right with wreath in its beak, LG in right field. Sears VOL III 12386,Emmett 4004, Dattari 5593, Milne 4742. The LEG B TPAI stands for Legio II Traiana which was a Legion raised by Trajan early in the 2nd century for Dacian regional service. In Circa AD 125 it was sent to its permanent station Nicopolis - near Alexandria Egypt.

 

[Back-of-the-boat]

Carinus AD 284-5, Alexandria, AE tetradrachm (circa 18,5 mm; 8,46 g), A K MA KAPINOC CEB, laureate, draped & cuirassed bust right / LEG B TPAI, eagle standing left, head right with wreath in its beak, LG in right field. Sears VOL III 12386,Emmett 4004, Dattari 5593, Milne 4742. The LEG B TPAI stands for Legio II Traiana which was a Legion raised by Trajan early in the 2nd century for Dacian regional service. In Circa AD 125 it was sent to its permanent station Nicopolis - near Alexandria Egypt.

Thank you so much I was going cross eyed looking at all the different coins trying to figure it out wasn't sure if I was right or not. I really appreciate you taking the time to look at it am I correct in thinking it is bronze?

 

[CRUSADER]

Thank you so much I was going cross eyed looking at all the different coins trying to figure it out wasn't sure if I was right or not. I really appreciate you taking the time to look at it am I correct in thinking it is bronze?

Yes it's Bronze.