1. Back of coin is someone holding globe? But who is on front? 2. second coin looks much beter in my hand. Back is two horses and 3 man riding I also found this gordian III
The reverse of the first coin is Sol Invictus, a composite Sun God deity. Very popular deity in mid-3rd century through early 4rth century Roman coinage.
Really? I was leaning towards that being his father, Constantius Chlorus. Update: I just made out the whole legend, it is Constantine. Difficult little coin to read.
I couldn't read it at that resolution, but if you click on the image he's got it linked to a much bigger one.
Second is an as of Geta and also quite scarce. Fabric suggests it may be what they call a 'Cast in Gaul' unofficial but that would require seeing it in hand to be sure.
The first one in Constantine/SOL, one of the commonest ancient coin types of all. There are, among the very many mints and control marks, some rare varieties, but almost no one cares. Call the first one "extremely common." The second one is in bad shape but looks like a Geta with his family (Septimius Severus, Caracalla, and Geta) on the reverse. What is the diameter? It is difficult to distinguish denominations without knowing the size.
Well, now I feel obliged to share my coin of "someone holding a globe" with the OP Whomever the dude is, he is a hot dude. Seriously, try living in Florida, you have to have the AC on all the time thanks to that dude.
It's a common type to be sure. But this is the first I've seen from Ostia. Of course, that doesn't make it rare to anyone but myself, but I don't think it's a coin you can just go out and buy. It would take some hunting.
The "S C" on the reverse of the Geta makes it base metal, not silver. What is its diameter? From its appearance alone it could be an as or a sestertius.