[Alpine007]

I recently acquired three M 5 clusters with good pixels. I put one in my car and it works good. I was wondering if anyone knew the difference between the black and gray faces on the clusters. I have two gray and one black. Thanks

 

[Alpine007]

wasnt sure what years were black and then gray? any ideas

 

[Alpine007]

thank you very much any real differences in the two? i have one black two gray for sale any idea what a fair price is? Thanks