Been ebaying with a vengence

[TheArf]

Have started to clean up my diff which I also had off ebay earlier this year, what a job, the guy I bought it from had painted it in red lead for some reason god only knows why. Have taken cover plate off and the crown wheel is ingraved with 3.92 ratio, and i'm going to powdercoat it but not sure if i'm going to do it in black or silver. Any suggestions

Arfon