Several years ago Holland Casinos released a set of "Vintage Car" chips... so far I've been able to acquire 4 of the 6 chips in the set:

I'd love to add these two to my collection to complete the set - PLMK if you have either or both for sale or trade - thank you.

This is the common reverse side:

[Images 5 & 6 courtesy of the ChipGuide]