If it was a "fairly good auction house" they should be able to provide an accurate attribution. Have you tried contacting them and asking for more...
I'm bumping this thread because I think I may have figured out what this coin is. Here's an image of the coin--9 mm, 1.1 g--with what I think is...
Talk about wishful thinking, here's Concordia: [ATTACH] Julia Domna Augusta, A.D 193-217 Provincial Silver Denarius Laodicea ad Mare (or...
I"m a sucker for "ADVENTVS" reverses, so here's my Decius example: [ATTACH] Rome mint Obv: IMP TRAIAN DECIVS AVG Rev: ADVENTVS AVG - Emperor on...
If it's legit, it would be one of the Byzantine Constantines, not Constantine the Great. There are several Byzantine rulers named Constantine....
[ATTACH] Aurelian Augustus, A.D. 270-275 Billon Antoninianus Cyzicus mint Obv: IMP C AVRELIANVS AVG Rev: ORIENS AVG - Sol, standing left, raising...
On the RPC coin that you linked to, it is clearly a bust, rather than just a mask, on the reverse. But yes, I agree that it's a strange-looking...
Looks like it could be a late fallen horseman from Constantinople.
I prefer the upgrades. There's a lot more detail on the bull. And the portrait on the votive is stunning.
Here's a provincial: [ATTACH] Provincial Bronze (AE26) Spain, Emerita Obv: TI CAESAR AVGVSTVS PON MAX IMP Rev: COL AVGVSTA EMERTA - City gate RPC...
Extremely fair.
I've never heard of treating BD with sodium carbonate before, but I assume the conservator knows what she is doing. Many people in this forum have...
THIS is the type of piece that should be turned into jewelry. It would make a nice pendant.
Why? You've discovered ancients! You belong here.
In my opinion, underappreciated by collectors today. Which works out just fine for me: [ATTACH] Silver Denarius Rome mint, A.D. 153-154 Obv:...
The corrosion likely contains metal from the surface of the coin that has reacted with chemicals in the soil that it was buried in. It's not just...
Constantine I ("the Great"): [ATTACH] Rome mint, A.D. 307 RIC 196 Obv: CONSTANTINVS NOB CAES Rev: CONSERVATO-RES VRB SVAE - Roma, in hexastyle...
According to Philip I ("the Arab"), Gordian III died a natural death. Many did not believe him at the time. Nor should you. [ATTACH] Gordian III...
I would have doubts if it was a new seller or someone from Germany/Bulgaria*. That, combined with the fact that your coin appears to be unique...
Whoever it is intended to be, it looks modern to me, not ancient.
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