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CONSERVATORI Coins, Curtis Jackson-Jacobs

Category: Showcase Coins

“Cleopatra’s Needle” & the Bronze Portrait Coins Found by Commander Gorringe in 1880

Posted on March 13, 2025April 12, 2025

When Henry Gorringe excavated Cleopatra’s Needle in 1880, he reportedly found this bronze coin of Cleopatra under the pedestal. Its whereabouts and significance were forgotten for 140 years. Until now.

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My First 100 Provenance-Coins Posted

Posted on March 23, 2024March 23, 2024

I’ve just reached 100 “provenance coins” cataloged online. Click for “object biographies” (click again to enlarge). See also the collector bios & more in the “provenance glossary.”

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Provenance Glossary: Dr. Jay M. Galst (1950-2020)

Posted on February 10, 2023June 14, 2023

Jay Galst (1950-2020) was a prominent New York ophthalmologist & important numismatist. His magnus opus was Ophthalmologia Optica et Visio in Nummis (2013, ANS, w/ van Alfen). Much of his collection was auctioned by CNG, 2021-.

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“Provenance Diagrams” for Ancient Coins: Chain-of-Custody, Publication, Sales and Other Important Events in Numismatic “Object Biography”

Posted on August 12, 2022April 21, 2024

“Provenance Diagrams” are a way to visually represent important moments in a coin’s “object biography.” These can begin with a hoard discovery, continue to sales and collections, or publications, exhibitions, and other key events.

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New Additions: Roman Bronze Coins with Distinguished Provenances Depicting “Barbarians, Captives, and Enemies”

Posted on July 15, 2022March 27, 2024

In addition to the interesting imagery of captives on their reverses, each coin has a notable provenance and backstory related to the modern history of classical numismatics.

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Gordian III Billon Tetradrachm, Egypt, Alexandria 243 AD. Ex-Dattari Collection & Plate Coin in Dattari-Savio & RPC

Showcase: Gordian plate coin, Giovanni Dattari (1858-1923) Collection, important die variant

Posted on June 26, 2022January 25, 2024

Pedigreed to 1901, from the Giovanni Dattari Collection & plate coin from Savio-Dattari & RPC. Gordian III Tetradrachm of Egypt, Alexandria with very rare obverse die & legend arrangement.

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Historic Classic: Julius Caesar Elephant Denarius 49 BCE

Posted on January 12, 2021March 16, 2023

A historically significant, iconic classic. The coins of Julius Caesar are of special interest to numismatists because they not only reflected important historical moments, but actually played a role in shaping them.

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Justinian AE Follis, Constantinople 540/1 AD

Historic “Justinian Plague Follis,” Constantinople 541 CE

Posted on January 12, 2021February 14, 2025

[Updated 15 July 2022.] In the Spring of 541, the devastating Bubonic Plague reached Byzantine N. Africa. By Fall, it struck Constantinople. Justinian himself was famously infected, miraculously survived, and bore the facial scars for life. The city was decimated by the “Justinian Plague,” with incalculable consequences for the Empire and for Western History.

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Blog / Posts

  • “Cleopatra’s Needle” & the Bronze Portrait Coins Found by Commander Gorringe in 1880
  • My First 100 Provenance-Coins Posted
  • From the BCD Library Sale at Kolbe & Fanning
  • Provenance Glossary: Dr. Jay M. Galst (1950-2020)
  • Provenance Glossary: Richard J Plant (1928-2020), “Reverend of Numismatics”
  • Home
    • See What’s New!
    • Contact Us
  • BCD Collection
    • Ex BCD Collection(s): Annotated Bibliography & Introduction to My Coll. of BCD Coins & Literature
    • BCD Thessaly Supplement: Koinon [Thessalian League] (CNG E-Auction 325)
  • Barbarians, Captives, Enemies
    • Selections from the “BCE Collection”
    • Two Captives & Trophy: Prisoners of War on Roman Coins from Julius Caesar to Constantine “The Great”
    • Blog Posts: “Barbarians, Captives, Enemies”
  • Galleries
    • “Top Shelf” Provenance Coins (Plate Coins & Old Collections)
      • Provenance & Plate Coins I: Western Greek World
      • Provenance & Plate Coins II: Eastern Greek World
      • Provenance & Plate Coins III: Roman Provincial
      • Provenance & Plate Coins IV: Alexandria
      • Provenance & Plate Coins V: Rome
      • Provenance & Plate Coins VI: Byzantine & Contemporaries
    • Online Cabinet
    • Archive of Sold Coins
    • Barbarians, Captives, Enemies: The BCE Collection
    • Numislit Coin Exhibits
  • Numis Lit & Biblio
    • Bibliography
    • 20th Century Alexandrian Sale Catalogs Online
    • Library of Ancient Coin Sale Catalogs
    • Catalog Collection Favorites
    • Numislit Coin Exhibits
    • “Top Shelf” Provenance Coins (Plate Coins & Old Collections)
    • Provenance Blog
  • Annotated Resources
    • Annotated Resources & Community Links
    • 20th Century Alexandrian Sale Catalogs Online
    • Library of Ancient Coin Sale Catalogs
    • Catalog Collection Favorites
  • Provenance & Object Biography
    • The “Top Shelf” & Provenance Glossary
    • Provenance & Plate Coins I: Western Greek World
    • Provenance & Plate Coins II: Eastern Greek World
    • Provenance & Plate Coins III: Roman Provincial
    • Provenance & Plate Coins IV: Alexandria
    • Provenance & Plate Coins V: Rome
    • Provenance & Plate Coins VI: Byzantine & Contemporaries
    • Provenance Blog
    • BCD Collection: Annotated Bibliography & Coins

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