Valtteri Bottas is auctioning his iconic 'Nigel the Badger' helmet. Michael Schumacher has advised him to think about a driver change at Cadillac, amid growing speculation about his future with the team. A recent home tour also revealed a 2014 Williams F1 car in his Finnish residence. The auction of the helmet is set to generate significant interest among collectors. Schumacher's advice comes as Bottas faces ambiguity about his future within the team. The Williams F1 car in his home adds to the collection of vintage racing memorabilia in his residence. The helmet, known for its distinctive design, is anticipated to fetch a high price at auction. Collectors are eagerly awaiting see the outcome of the auction. The presence of the vintage Williams F1 car highlights his passion for motorsport history. Bottas' decision to auction the helmet is seen as a significant move in his career. The advice from Schumacher is considered as a crucial factor in Bottas' future plans. The home tour provided a glimpse into Bottas' passion for vintage racing memorabilia. The auction of the helmet is likely to be a major event for collectors. The Williams F1 car in his home represents his deep connection to motorsport history.