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I would put the average value of the insert cards at between $1-$2 with some being more. I have several 1000 insert cards. Some rookie cards are worth considerably more and relic or autographed cards can be between 2 to 3 figures for popular drivers or rare cards. I also collect sheet metal slabs (pieces of the actual race car) A collection is only worth what someone is willing to pay ;)

104771088030 - won these nascar race used memorabilia cards on.jpg

104856935685 - got these matching pieces of jeff gordon sheet.jpg

WOW! Love the sheet metal parts.
How cool is that man, crazy!

I have quite a few sheet metal slabs.. not too many offer them now, it seems. I like to find ones that match if I can such as these from driver Danica Patrick.

104771313455 - got these 6 color matching pieces of danica_1.jpg

104771313455 - got these 6 color matching pieces of danica_2.jpg

![104771313455 - got these 6 color matching pieces of danica_3.jpg]

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I also have a 2014 Kyle Larson (Rookie of the Year) contingency panel but I don't have room for too many larger pieces.

109699696915 - bought this morning 2014 kyle larson 2013 nascar.jpg