What I did. Patch and repaint the back box and install new tee molding and some nice vinyl decals on sides.
It doesn't get easier than that.
I removed the circuit boards from back box and used a saws-all blade in hand to clean out routed grove so new tee molding sat level in groove. There were some high spots that cause bulging. Also, use a rubber mallet to pound tee molding down. The tee molding I chose was black with a chrome stripe. Decals from Zazzle.com
https://www.zazzle.com/number_8_billiards_ball_eroded_and_aged_classic_round_sticker-217270665398165350
IMG_1183 (resized).JPGIMG_1185 (resized).JPG
IMG_1188B (resized).jpg
Disregard above link...Use this one...
https://www.zazzle.com/number_8_billiards_ball_eroded_and_aged_classic_round_sticker-217894597173371913
https://www.zazzle.com/number_9_billiards_ball_eroded_and_aged_classic_round_sticker-217605995592880328