Here are some late roman empire coins. I think they could be constantine, but I'm not sure. heres the second one:
Both are the same Constantine (from two different mints) but probably not the one you were considering. Keep researching. The coins are fully legible and easy ID's. When I see images taken through a cardboard holder, I think the owner does not think enough of the coin or of us to make a decent image. Bad attitude on my part? Possibly.
Just for future reference, when you start a new topic and label it in all caps with an exclamation point, like this: HELP IDENTIFY THESE COINS!, it makes it seem like a demand rather than a request. I'm sure that wasn't your intention, but some members might be put off by it.
Here's an old catalog listing for your coins. This old catalog doesn't distinguish left-facing from right-facing busts, nor does it break them down by mint. From Numophylacium Sulzerianum, published in 1777:
