Tom Hollfelder drove another 450S, #4510.  He didn't finish and was credited with 22nd place.  Here's a link to 450S #4502 at the 1961 Riverside GP.

All photographs and text are the property of Tam McPartland and are protected under United States and international copyright laws.  All rights are reserved and the images and/or text may not be digitized, reproduced, stored, manipulated, and/or incorporated into other works without the written permission of the photographer, Tam McPartland