A Williams-BMW visor (believed to be used) signed by the two drivers at the time, Ralf Schumacher & Juan Pablo Montoya. As Schumacher never wore an Arai helmet during this period and Montoya did, it's likely this is a visor used by Montoya who won 4 Grand Prix for Williams between 2001 & 2004. In great condition and with very clear signatures.

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