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Hello @urking. Welcome to Nvmis Forvms.

Hello @Antonion321. Welcome to Nvmis Forvms.

@TheTrachyEnjoyer I won 1 of your coins. I'll wait until I have the coin in my hands, before I reveal it. @TheTrachyEnjoyer What did you think of the auction? Did any other Nvmis Forvms members bid on any of @TheTrachyEnjoyer's coins?

Hello @Lismain Numisatics. Welcome to Nvmis Forvms. I have no knowledge of Galba denarii. But, there are probably many Nvmis Forvms members, who are familiar with Galba denarii. Perhaps more of them will chime in, to add to @CPK's analysis.

@voulgaroktonou Congratulations on acquiring a Sear plate coin! One can only imagine, where that coin has been. Initial circulation. Burial. Unearthed. From 1 collection, to another, to another. The Mr. Sear photograph. Other collections. And now, it's in your collection. My copy of Sear was printed in 2014, but it seems to be a reprint of the 2nd edition which was 1st printed in 1987. Therefore, the provenance of your coin seems to go back to 1987, or maybe even earlier. The 1st edition of Sear was 1st printed in 1974. If your coin was shown in the 1st edition of Sear, then the provenance would go back to 1974. I think very late Byzantine coins are very interesting. The very late bronze coins, and the very late silver half stavrata and stavrata. It's interesting to study, what the Byzantine Empire was like, during its desperate last few centuries. In the last few centuries of the Byzantine Empire, the Byzantine Empire had declined, from a once vast Empire, to a far frontier of the Christian world. Here's my Manuel II half stavraton. Manuel II. AR Half Stavraton. Minted 1391 AD To 1425 AD. Constantinople Mint. Sear 2551. Grierson 1517. Maximum Diameter 20.2 mm. Weight 3.68 grams. Obverse : Jesus Christ Bust Facing Front, With Halo. Reverse : Manuel II Bust Facing Front, Wearing Crown With Pendilia, With Halo, "M-A-N-O-V-H-Lambda" Greek For "Manuel" Clockwise Starting At 12 O'Clock.

Yes. That may be. Now that I look at the coin more carefully, especially in the larger photo in @CassiusMarcus's 2nd post, I see your point. Where dots are present, the lines seem to be perfectly aligned with the edges of the dots, too perfectly to have been carved by hand. Perhaps the enormous pressure exerted on the (possibly hot) metal, when the flan was struck between the dies, combined with the holes in the obverse die where the dots were supposed to be, caused these lines, similar to flow lines.

Those lines seem strange to me. They don't look like cleaning marks, because they are too deep, and too regular. I searched ACsearch as follows : lysimachos tetradrachm https://www.acsearch.info/search.html?term=lysimachos+tetradrachm&category=1-2&lot=&date_from=&date_to=&thesaurus=1&images=1&en=1&de=1&fr=1&it=1&es=1&ot=1&currency=usd&order=0 I looked at the first 300 examples. I didn't see any examples, which had such lines. The lines look sort of like, they have been carved, after the coin was minted. Why anyone would do that, I don't know. You can look at more of the examples, but you have to register with your email address, to see the large, high resolution photos. Can you post a photo of the reverse, and the maximum diameter of the coin, and the weight of the coin? I don't have much knowledge, of Lysimachos tetradrachms. But, there are other Nvmis Forvms members, who have plenty of knowledge of Lysimachos tetradrachms. Perhaps those Nvmis Forvms members will see this thread, and provide their thoughts. It may take a few days.

Interesting cast and struck Japanese coins. Here's my Japanese collection. 3 cast coins from the 17th century, 18th century, and 19th century. Japan. AE. Cast 1668 AD To 1683 AD. Hartill 4.100. Maximum Diameter 25 mm. Weight 3.44 grams. Japan. Iron 1 Mon. Cast 1765 AD To 1774 AD. Hartill 4.204. Maximum Diameter 24.2 mm. Weight 3.37 grams. Japan. Tempo Tsuho. AE 100 Mon. Cast 1835 AD To 1869 AD. Cast At Honza, Edo, Musashi Province. Hartill 5.5. Maximum Diameter 49 mm. Weight 20.38 grams. Obverse : "Tem Po Tsu Ho" Meaning "Currency Of The Tempo Era", The Vertical Sides Of The Hole Are Longer Than The Horizontal Sides Of The Hole. Reverse : Above Hole "To Hyaku" Meaning "Value 100", Below Hole Signature Of The Mint Official.

I have a limit, on what I would ever spend on a single coin. But if I had $10,000, and I had to spend it on coins, then I would buy the following. 1. A Janus Aes Grave. Cost : $3,000. 2. Various coins in my wish list, which I have not yet been able to find in my price range, with the eye appeal that I require. I hope to eventually acquire these coins, even without $10,000 fun money. With $10,000 fun money, I could more quickly obtain the coins. 3. A gold 8 escudos cob coin, if I had enough money. Cost : I don't even know, because it's way more than I would ever spend on a single coin. But, maybe I could get one with what's left over from the $10,000, after the above purchases. 4. But, if I were allowed to be practical, then I wouldn't buy any of the above coins. Instead, I would be practical, and simply buy a few 1 ounce gold American Eagle coins, or a few 1 ounce gold Canadian maple coins. In other words, bullion coins. But, if I weren't allowed to be practical, then I would buy the above coins.

Hello @Egor125. Welcome to Nvmis Forvms. I don't have any knowledge of the coin type. But, there are probably Nvmis Forvm members, who are knowledgeable about the coin type. Perhaps 1 or 2 of them, will see this thread, and provide help with authentication. It may take a few days. If possible, I recommend moving this thread to the "World Coins" section, rather than the "Medieval" section, because most persons consider the medieval period to have ended approximately 1500 AD.

Happy Numismatic Birthday @Nerosmyfavorite68. The Sicilian Poseidon coin is quite nice and interesting. The Tiberius denarius is also quite nice. That's fun, that your Dad also collects ancient coins. Who has more ancient coins? You or your Dad? Has your Dad been collecting ancient coins, for a long time?

1. Is the coin exciting, and interesting? 2. Should I spend the money, on the coin? 3. How often does the coin type, with the eye appeal of the coin in question, appear in an auction or fixed price sale? 4. Would I get a bunch of Likes, if I posted the coin on Nvmis Forvms? 5. Would I be missing out, if I didn't buy the coin?

For me, there is no such thing as "cultural property".

Hello @Valentin1338. Welcome to Nvmis Forvms. Take photos, of both sides of each coin. For each coin, create a thread, and post the photos, along with the coin's maximum diameter and weight, if you can measure them, in the "ID Help & Authentication" section. 1 coin per thread. Try to give the thread a descriptive name, which describes the coin as well as possible. For example : "ID Help & Authentication Request : Ancient Bronze Coin, With Portrait Of Head Of Bearded Man On 1 Side, Eagle On Other Side". Try to take each photo, as close to the coin as possible, with as sharp a focus as possible. Use software, such as Microsoft Paint, to clip each photo, to eliminate unnecessary background, so that the coin fills most of the photo. Create no more than 3 threads per day. Good luck to you.

Hello @Jared96. Welcome to Nvmis Forvms. I'm not an expert in analyzing the surface of coins, and I'm not very knowledgeable about your coin type. I can offer some theories. Perhaps the rough surface was caused by corrosion, especially if the coin was submerged in sea water. Or, perhaps the rough surface is evidence, that the coin is a fake, cast from an authentic example, using a sand mold. Does your coin have a casting seam on the edge, or file marks (to hide a casting seam) on the edge? Can you show a photo, of the other side of the coin? Can you measure the maximum diameter, and the weight of the coin?