Blog Profile / A Gift For Polydektes


URL :http://digitalhn.blogspot.com/
Filed Under:Collecting / Currency Collecting
Posts on Regator:216
Posts / Week:0.4
Archived Since:June 9, 2008

Blog Post Archive

Himyarite coin with ancient South Arabian script

Unicode has included letters for the ancient South Arabian script used in Himyarite coins for a long time but I have never seen them used except in sites about Unicode itself. Here is a coin from mint ???????????????? (=RYDN, Raidan/Raydan, at Zafar in Yemen). Show More Summary

XRF testing

At the ANS seminar Counterfeits: the Threat to Collecting and Scholarship several people from the museum community remarked analyzing the metal in coins using X-ray fluorescence (XRF). This technique is said by some people to be nearly as good as other techniques that are much more expensive. Show More Summary

Black Sea Hoard dies

The American Numismatic Society hosted a seminar on Counterfeits: the Threat to Collecting and Scholarship with presentations by David Hendin, Robert Hoge, and Ute Wartenberg. For me the most exciting part was inspecting dies from the...Show More Summary

The difficulty of photographing gold coins

Here are six professional pictures of the same coin. These pictures appeared on the auction catalog or web sites of numismatic auctioneers Harlan J Berk, Classical Numismatic Group (twice), Heritage, Stack's Bowers, and the coin grading company Numismatic Guaranty Corporation. Show More Summary

Database of Digits Extracted from (modern) Coins

Xingyu Pan and imageLaure Tougne have published a paper describing their database of digits extracted from scans of modern coins. The database of 3000+ images itself cannot be directly downloaded. They explain here that you may request it from them. Show More Summary

Antiquities Memorandum of Understanding with Libya

Please read Cultural Property Observer and comment on the Libyan MOU. If the MOU is completed and includes coins it will become difficult for Americans to buy ancient coins from Kyrene in European auctions. It will also be difficult to import Ottoman coins from the territory of modern Libya. Do it this weekend or it will be too late.

Recognizing Roman coins with neural networks

Jongpil Kim of Rutgers university reports a neural network capable of correctly recognizing the emperor 73% of the time from coin images. The reverse type is recognized 67% of the time. The report is available on SEQAM and the paper is available by clicking PDF on this Cornell library site.

Ancient Astronauts

Mike Markowitz covers The “Alien” Coin for CoinWeek.

Video on creating 'coins' with CNC machine

I stumbled across this 9 minute video which shows the process of creating a medallion with realistic bust using a CNC machine. The medallion produced looks quite good! It looks better than most of the 'coins' featured in do-it-yourself coin making videos. Show More Summary

Print on demand catalog of the coins of Troas

I recently purchased a Print on Demand copy of Warwick Wroths 1894 catalog of the British Museum collection Catalogue of the Greek Coins of Troas, Aeolis, and Lesbos. Google scanned three copies of this book: from the University of Michigan,...Show More Summary

Artist Mike Bouchet makes art gallery smell like money

(via BoingBoing!): Perfume maker perfects the smell of American paper currency.

ISEGRIM search form

ISEGRIM is a database of 60,000 Greek coins of Asia Minor developed by Otfried v. Vacano at the University in Düsseldorf. There are no pictures. Unlike other search sites, instead of filling out forms the user was to write "queries" using a special syntax similar to Lucene. Show More Summary

Odd surface on presumably fake coin

I show here two coins from the same die pair. The high grade example is a Bulgarian replica of a Neapolis stater. The damaged example was sold as genuine on eBay this spring. This replica shows up being offered from time to time as genuine. Show More Summary

3D model of Kushan coin

The Institute of Archaeology of the University of Warsaw has provided a remarkable 3d scan of a Kushan bronze coin. The model was done by Otto Bagi and Sergi Mañas Jolis. Apparently photogrammetry was used to to infer the 3D coordinates. Show More Summary

Is this 'panther' Cerberus?

Numismatic Naumann, auction 46, lot 182 Medusa is not the only creature in Greek mythology with snakes for hair. The monstrous dog Cerberus, who fought Herakles, had a mane of snakes. Coin depictions of Cerberus (electrum hekte, Italian bronze, Roman aureus) show the monster with two or three heads but no snakes. Show More Summary

Identifying a bronze coin using Münsterberg

I purchased this coin in 2004 from Clark's Ancients. It had been identified as being from Abdera, like the first example on this CoinTalk thread. It did not look like that type. It had previously sold in 1980, and the tickets that came with it showed several unsuccessful attempts to ID the inscription. Show More Summary

snible.org should be back

snible.org should be back online. It is now hosted by Amazon.

snible.org will be back soon

My web site snible.org is down. I hope to have it up again tonight. Until then, you may access the AWS mirror. It was not hacked. The operators shut it down because it went over quota. It is apparently under attack by a virus.

Collectors have the opportunity to comment against Cypriot import restrictions

Ancient coins struck in Cyprus before 235 AD cannot be imported into the United States unless they have an export permit from the Government of Cyprus or documentation they left Cyprus before July 16, 2007. It is believed that no export permits are granted for coins. Show More Summary

The gorgons of Mallos part 3

Antiochos IV, Uncertain mint (Mallos?), 175-164 BC (Münzen & Medaillen Auction 30, May 2009 “Roland Müller collection”, lot 706) 1.56g 11mm Web sites and reference books for Greek coins group the coins by city. For example, Wildwind.com's Mallos entry contains the coins struck under the authority of Mallos. Show More Summary

Copyright © 2015 Regator, LLC