center caps

got some new Racing Hart CP-035R SSF 17x7.5 (look at pic) and they didnt come with center caps. the caps either need to be 67.1mm (used a ruler so not too accurate) or the ones racing hart made (yes I know they are rare). please let me know what you have or any info on where to get these thanks!

I have 7 center caps taken from two sets of the stock 18" Y-Spoke rims. I will sell each cap for $10 shipped in the US or all for $25 shipped. Minor signs of usage. First dibs will get the better ones. The worst one has a little bit of the black knocked off around the outside ring. Please...