Can you post another pic of the top one uncropped.....some lettering is still visible such as AVG at the bottom right and of course any other letters will be invaluable......(some may be present at the top left too) because it says AVG it helps with dating because in the Tetrachy there were two Augustii and two caesars.....and we know when the change over occured with each death or as with Diocletian and Maximianus (abdication).
























