Guernsey’s Auction House will be conducting the sale of the original and only 21st century bronze cast of the 16th century figure of Leonardo da Vinci’s Horse and Rider on Wednesday October 30th at the Pierre Hotel in New York City. The last occasion that a work of art attributed to the great artist became available was 2017, when Leonardo’s Salvator Mundi brought $450 million at auction. It was the highest amount ever paid at...