Ancient fake roman silvers?

Hey there! I found these dark grey coins while i was metal detecting. In the lef column, they are obviously real ones, but what about the right hand side column? Any ideas wgat kind of metal is it?

Don't worry. Large roman bronzes, sestertius or as.

Curiously it looks like you got a silver and a bronze of each person.

1st line is Trajan (I've read IMP TRAIANO on the silver and …ANO in the bronze)

2nd line is Faustina (easily readable)

3rd line… I may be wrong, but that beard with two points reminds me of Septimius Severus.

(Not sure if the emperor on 3rd silver and 3rd bronze are the same)

Your Faustina silver is so well preserved that is easily identifiable: N#260343 

And also managed to identify your silver Trajan.

Thing is that there are two entries, RIC II #244 and #245, and I'm struggling to differentiate the two:

N#253145 

N#253146 

Nice findings by the way.

Thanks, but i already identyfied them. The question is, why they are dark grey? They should be silver, but they are not. Definitely not bronze coins. My theory is that someone made this fake coins in the barbaricum and used them as silver coins.

For barbarian imitations, personally I doubt. The Trajan “bronze” looks like the real thing.

If you mean a Limes Denarius, with what we have so far we can't rule it out.

Again, congrats for finding and identifying them, it was a good day on the field.