They were a delight to paint, as are all of these lovely old figures.
The second unit was originally painted as Confederate infantry, but they had been varnished, which had turned brown. My only option was to drop them into the paint stripper and return them to bare metal. I have painted them as a Federal infantry unit:
The final unit is made up of Union Zouaves. These figures were nicely painted and being blue, had not been affected by the varnish, but they were a bit worn with paint chips. These figures were restored by adding paint to the earlier work: