Pic of my original Eaton clutch, my X77 is an 01C build.
Bad part - I spray bombed the fan and clutch black in '75 during a rebuild - thought at the time it looked better, plus I couldn't foresee the stamps and surface finish being as important then as it is today. My bad -
Good part - the paint kept the surface and the stamping intact as you see it today. I got curious about the date coding a while back during one of our other threads, scraped the paint off with a fingernail and discovered the Eaton, CV and date stamps intact (thank goodness). Now, if I could just figure out how to remove the rest of the paint without wearing all of my fingernails to the quick, and taking a month to do it -