15th Century

Simonetta Vespucci Restores the Identity of Botticelli’s Lost Altarpiece

Detail of the San Leo Altarpiece

After more than four years of meticulous restoration, a long-overlooked Renaissance altarpiece has reemerged in stunning detail—now believed by experts to be the work of none other than Sandro Botticelli. Hidden beneath centuries of retouching and misattribution, the Madonna Enthroned with Child among Saints from San Leo is captivating art historians with its unmistakable style and mysterious past. One scholar even suggests the flanking saints may once have been portraits of Pico della Mirandola and Poliziano. The full story uncovers how this masterpiece journeyed through time, hands, and ideologies—only to be seen anew today.

Rare 15th Century Astrolabe Fetches Over $600,000 Doubling Pre-Sale Expectations

15th-century astrolabe with an engraved circular scale, openwork center and suspension ring against black fabric.

In a surprising turn of events at Bonhams’ Important Instruments of Science and Technology Sale in London on April 24th, a remarkably rare 15th-century astrolabe soared past its pre-sale estimate, fetching an impressive £508,400 ($635,000). Jon Baddeley, a specialist at Bonhams, expressed his astonishment at the outcome, stating, “This is one of the strongest results we’ve seen at auction at Bonhams Knightsbridge in the past decade.” Describing the astrolabe as an “early smartphone of sorts,” Baddeley emphasized its multifaceted utility, noting its significance in timekeeping, navigation, celestial observation, and even decision-making.

Ultra-Rare $2 Million Turkish Medallion of Ottoman Sultan Mehmed II, Who Conquered Constantinople, To Be Auctioned in London

Bronze portrait medallion of Sultan Mehmed II, with a left-facing bust and an inscription around the rim.

An extraordinary rediscovery in the world of Islamic art has emerged as a bronze portrait medallion of Sultan Mehmed II, predating his historic conquest of Constantinople, prepares to take the spotlight at Bonhams Islamic and Indian Art Sale on Tuesday, May 21. The event will be held at Bonhams New Bond Street location in London, where art enthusiasts and historians alike will have the opportunity to witness this remarkable artifact.

Record-Breaking Sale: Ancient Tibetan Sculpture of Virupaksha Achieves $4.85 Million at Bonhams Hong Kong Auction

In a recent auction event at Bonhams Hong Kong featuring Images of Devotion, an extraordinary Early 15th Century Gilt Copper Alloy Figure of Virupaksha from the renowned Densatil Monastery in Central Tibet commanded a staggering price of HK$37,964,000 (approximately USD $4,855,000). This masterpiece, considered the pinnacle of the order’s sculptural tradition, surpassed its estimated value of HK$35-55 million (USD $4.5-7 million), contributing significantly to the overall auction total of HK$75 million (approximately USD $9,632,000).