Mike Spera wrote:

There is a quick and easy way to make a Piper headliner look good. Use
shoe polish. The kind that is in liquid form with the sponge applicator.

I've not tried it, but I would think that leather dye might work a little better.

George Patterson
Love, n.: A form of temporary insanity afflicting the young. It is curable
either by marriage or by removal of the afflicted from the circumstances
under which he incurred the condition. It is sometimes fatal, but more
often to the physician than to the patient.