13th Annual Collectors Convention Graphic Designer Autograph Sheet of Rocket Oil by Steve Vandervate. The event holds numerous autograph sessions throughout the annual conventions. Hot Wheels and Mattel designers and guests are invited to spend time with the collectors and provide signed prints of their individual vehicle designs or graphics designs. These autograph sessions are a big hit amongst collectors with many standing in line for up to two hours at a time to have the opportunity to talk to the designers and have them sign various different items.
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