The BBC has just posted an article on recent research on Roman concrete and why it works so well underwater:...
Mine does not help resolve the issue: [ATTACH] I can't tell what it is supposed to be.
There are nine types of "civic coinage" attributed to Maximinus II, c. 312 AD. Here is one of the common types: [ATTACH] To learn a bit more...
I submitted a comment opposing import restrictions and giving good reasons. The link to comment is at the upper right of...
I did. It is very interesting about Heliopolis and how its coins preserve images of the huge temples.
Nice group! I have a Maximinus II to add to it: [ATTACH] IMP C GAL VAL MAXIMINVS PF AVG HERCVLI VICTORI Delta in field left, SMN below 21 mm. RIC...
Here are some greatly oversize photos of coins for sale, some Vandalic and the rest also found in North Africa and from Carthage, so likely...
That is a nice historical type. I like coins with references to particular victories. That one is to a victory in Cilicia, according to Foss in...
Here is one much like the OP but with the addition of "INVICTVS" to the obverse legend: [ATTACH] IMP C TACITVS INVICTVS PF AVG PROVIDEN DEOR...
I wrote a web page on the quinarius denomination: http://augustuscoins.com/ed/quinarius/ which has this Domitian piece on it: [ATTACH]...
River gods would make an interesting collection. In fact, they already have. In the auction sale Helios 3 (29-30 April 2009) there was (in a...
I have about twenty good Roman imperial coins closing tomorrow morning (June 30, 2017) among the 900 lots in the current vauction:...
What is the most famous river? Maybe the Nile! [ATTACH] A drachm of Hadrian with the river good Nilus reclining on a crocodile (lots of detail)...
I can give an ID number to the OP countermark. I have Collezione Pangerl Contromarche Imperiale Romane by Rodolfo Martini. There it is number 32...
I added this to my site: http://augustuscoins.com/index.html [ATTACH] Marius, Gallo-Roman emperor for a very short period (ancient literature...
Some European firms do not take PayPal. I don't know why. They can, and some do, say you must add 4% for paying with PayPal. Can someone explain...
I think this entire thread has good lessons for us. The primary one is to avoid buying coins you don't like the way they are. If it were easy to...
Brockages have one side an incuse version of the other. When coins were struck sometimes the coin stuck to the upper (pile) die and its obverse...
No! No! No! For one thing, your computer skills are too great! I can point to many old posts to prove it.
http://www.vauctions.com/ has a Triskeles auction closing next Friday morning. Many coins are going low, including a Tiberius "Tribute penny", a...
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