Here is a great piece of F1 memorabilia. This commemorative helmet of the 2019 Canadian GP has been signed by all drivers:
Carlos Sainz Jr.
Here is a very rare piece. Replica helmet of Damon Hill as used during the 1996 season. Damon Hill became world champion this yer with Williams. It comes hand signed in blue sharpie on the visor.
Here is a great piece of F1 memorabilia. This commemorative helmet of the 2017 Canadian GP has been signed by all 20 drivers:
Carlos Sainz Jr