Bonhams is holding an auction featuring items described as accessories associated with former U.S. presidents, as part of the country’s 250th-anniversary celebrations. The outlets report that the sale draws from a private collection that has been characterized as one of the more respected holdings of presidential memorabilia in the United States. The coverage emphasizes that the items are expected to fetch high prices, with proceeds and final results not specified in the provided text. The articles frame the event as part of broader commemorations for the U.S. milestone, with the auction platform and the collection’s origin being key points. Beyond that, the supplied summaries do not list specific items, dates of the auction, estimated values, or details about which presidents are represented. The reporting also does not indicate whether any items are official state property or how the collection was assembled. Overall, the information available across the sources centers on Bonhams’ role, the U.S. 250th context, and the expectation of premium pricing due to the perceived significance of the memorabilia.