Handful of Roman coins for ID

Hello wise ancient collectors. I've been spending a little spare time trying to catalog my modest collection of Roman coins with mixed success. The six coins below are the only remaining unidentified ones. Any help in putting a name to these would be much appreciated.

If someone could also go the extra mile and explain to me where the identifying marks are and even hazard a grade that would be really great. Even a ballpark estimate of the grades would put me in the right direction, especially number two and five which seem quite nice to me.

All are copper. OK, here we go, smallest first -

1.= 13.5mm 1.4gr

2. = 14mm 2.2gr

3. = 15mm 1.6gr

4. = 19mm 2.4gr

5. = 19.5mm 3.5gr

6. = 27.5mm 18.8gr


Sincere thanks in advance to anyone who can offer help.

Seems hard to ID like this. However I think the #5 is a Constantinus follis or nummus PROVIDENTIAE AVGG.
https://en.numista.com/catalogue/pieces69604.html
https://en.numista.com/catalogue/pieces44982.html
https://en.numista.com/catalogue/pieces42918.html
https://en.numista.com/catalogue/pieces63344.html
https://en.numista.com/catalogue/pieces44977.html
https://en.numista.com/catalogue/pieces47344.html
https://en.numista.com/catalogue/pieces66338.html

Oh wait, while searching, I found these possibilities for #4:
https://en.numista.com/catalogue/pieces32196.html
https://en.numista.com/catalogue/pieces41291.html
https://en.numista.com/catalogue/pieces43382.html
https://en.numista.com/catalogue/pieces68150.html
It's approaching but coins are so much worn... You're better checking this yourself.

Unfortunately #6 seems too much worn to be ID.

All lettering is important, as there are lettering varieties (I found PROVIDENTIAE CAESS instead of AVGG) including the mint lettering.

If you can read some of the legend, you can search this site:
http://www.wildwinds.com/coins/

I'm no expert but it's comparatively easy to broadly identify late roman bronzes. the difficulty is in the detail.
1. Virtus exerciti of Arcadius or Honorius - by squinting you may be able to make out enough of their name encircling their head on the obverse. If you can see the mintmark at the bottom of the reverse it helps when searching the Wildwinds site.
2. A Fel Temp or fallen horseman type of Constantius II, although if the head on the obverse doesn't have a diadem (I can't quite make it out) it would be his nephew Constantius Gallus or even Julian II.
3. Another Fel Temp, possibly this time of Julian.
4. A Beata Tranquillitatis of probably Constantine II. Now you can read at least SIS in the exergue or the bit at the bottom of the reverse which means the Siscia mint. You could look this up in Wildwinds under Constantine II then Siscia and get all the information on it.
5. Yes, a campgate or Providentia Aug or Augg of Constantine. I can't see any mintmark.
6. Looks very much like Antoninus Pius or an Emperor about that time. Can't make out the reverse.
There are plenty of sites that can help , but it takes time!

Thank you gentlemen. Although I've been involved with numismatics in a variety of roles for many years, when it comes to Roman coins it really is a blank canvas so even the most basic information is of great value to me.

I tend to get coins in very very large lots rather than buying them individually or by making small swaps. Each new lot gives a few new leads and attributions which are of immense value in identifying the next lot and so on. I already have a small stack building up for the next round. Each time I find that I can refer to my existing collection to ID a bigger percentage, with the assistance of the bookmarked websites and the wonderful Numista ID forum as a reference.

Would anyone care to offer an opinion as to the grades of these coins?

I haven't even tried to grade any of my collection yet, I simply try to choose coins which are nicely round, unclipped and have clear portraits, sometimes I settle It's simplistic I know but at this early stage of the game it serves me well. I would however welcome the opinions of those much further down this fascinating road.

Value of most roman/greek coins is very low, they must be XF to be worth something.
These coins are made by the millions, or more, so mostly not scarce at all.
A good silver or gold coin has value.

Oh, my dear fellow, don't be alarmed. I'm not under any illusions that I have a valuable collection. I've seen the magnificent ancient coins posted on various forum topics and I know that at this late stage of the game I'll never have a collection to match those. This is purely for my own personal satisfaction / enjoyment and the value is largely irrelevant.

I just truly have no idea what would constitute a VG, F or VF coin (which is the pond I'm likely to be swimming in) so a few guesses from those more familiar would be helpful in deciding some kind of minimum standard.