What are those gleaming golden portraits on Nashville's historic courthouse?

What are the pictures on the front of the Metro Courthouse that appear to be outlined in gold? Are they ever going to be restored? This question came to Curious Nashville way back — in 2016 — during the first year of the project. As the series is now marking 10 years of answering your questions, it's finally time to tackle this answer. And we're getting research help from Harpeth Hall "Winterim"…