Your coin is Siscia 656 in RIC Vii; but bust type H was not recorded.
Constantine looking a little like a mummy...I guess he hopped into the quadriga. [ATTACH]
Dealers often just copy the description from the reference they are using to look a coin up. I try to make corrections, if I know about them, but...
a bit from Ammianus Marcellinus on the draco- "Behind the motley cavalcade that preceded him the emperor's person was surrounded by purple...
I have not spent a lot of time researching Probus, but I could not find this one in RIC. I also did not find it here-- https://probvs.net/probvs/
the reverse legend is SAECVLI FELICITAS are you sure it is Probus?
Here are some where it is tougher to make out the Gorgon Hadrian A.D. 125- 128 AR Denarius 18mm 3.3gm HADRIANVS AVGVSTVS; bare head right;...
You can print off shipping from Paypal and fill out the customs info online and then print your label. Below is a shipping label I printed off...
It's not unusual to find file marks on these coins. So by itself, it is not reason to condemn the coin.
The top right coin is Valens, not Constans.
[ATTACH] Here's a example with a decorated helmet on a D6 bust (Laureate, helmeted, cuirassed). This is special because the helmet on this type is...
it's neither ancient nor a coin.
Constantine has a pearl diadem on your campgate coin and the mintmark is SMNB-- Nicomedia RIC VII Nicomedia 153 [ATTACH]
Duchy of Braunschweig-Lüneburg A.D. 1236- 1279 AR Bracteate 24x25mm 0.7gm OBV: Lion walking left, over clover. The lion is the emblem of the...
it is an unofficial issue copying a coin like the one below. for more on 4th century "barbs" http://www.constantinethegreatcoins.com/barb2/...
from RIC- " Rome. The mint continued to operate throughout both reigns in twelve officinae, using the Greek series to N, and the numerals X, XI,...
here is a topic with your coin-- https://www.cointalk.com/threads/diana-lucifera.326722/
JSTOR is always a good place to look for more recent research. I did a search with the terms "Pergamon Athena owl" and got 218 results...none of...
unfortunately, that does not always work.
VICTORIAE LAETAE PRINC PERP "Joyous (well-earned) victory to the eternal Prince"
Separate names with a comma.