Historic 100 Ducat Coin to Headline Upcoming Numismatic Sale

A rare 100 ducat gold coin, minted in 1629 under the reign of Ferdinand III, is set to be the centerpiece of an upcoming auction. This coin, part of the extensive Traveller Collection, is anticipated to fetch up to 2 million Swiss francs (approximately $2.5 million) at the sale scheduled for November 6, 2025, in Zürich, Switzerland.

The Traveller Collection: A Numismatic Treasure Trove

The Traveller Collection comprises approximately 15,000 coins, making it one of the most significant numismatic assemblages ever brought to market. The collection spans various periods and regions, with a notable emphasis on Central European coinage. Its formation dates back to the 1930s, when a dedicated collector amassed these pieces. To protect the collection from potential wartime looting, it was buried and remained hidden for over five decades before resurfacing in the 1990s.

Highlights from the Collection

Among the standout pieces is the 100 ducat gold coin from 1629. Weighing 348.5 grams, it is one of the largest gold coins ever minted in Europe. The obverse features a detailed portrait of Ferdinand III in armor, while the reverse showcases intricate designs emblematic of the era. Such coins were often presented as diplomatic gifts to influential figures during the tumultuous period of the Thirty Years' War.

Another notable coin is the 70 ducat piece minted in 1621 under Polish King Sigismund III. Weighing 243 grams, this coin is valued at approximately $471,700. Additionally, a five-guinea coin from the reign of George III, dated 1777, carries an estimated value of $340,000.

Previous Auction Successes

The first auction of the Traveller Collection, held in May 2025, featured 220 British coins and achieved a total of 6,341,200 Swiss francs (about $7.7 million), more than doubling its pre-sale estimate. A highlight from that sale was the "Una and the Lion" coin, a rare 1839 prototype £5 piece from Queen Victoria's reign, which sold for 980,000 Swiss francs (approximately $1.2 million).

Anticipation for the Upcoming Sale

The upcoming auction is expected to draw significant interest from collectors and investors worldwide. The 100 ducat coin's rarity, historical significance, and exceptional condition contribute to its high valuation. The sale will be conducted by Numismatica Ars Classica, a renowned auction house specializing in rare coins.

The Legacy of the Traveller Collection

The Traveller Collection's emergence offers a unique glimpse into numismatic history, showcasing coins that have been out of public view for decades. The meticulous documentation by the original collector provides valuable insights into the provenance and significance of each piece. As the collection continues to be unveiled through a series of auctions, it is poised to make a lasting impact on the numismatic community.

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