A Harley-Davidson porcelain neon sign previously sold for a staggering $86,250, according to Rockabilly. But if you don’t have $90k to spare, you can also buy a replica online for about $140.

Every neon sign is composed of a tube sealed at ... Once the tubing is done, it's time now to mount it on the sign. The sign is a porcelain sign. It doesn't need painting. It's actually a glass ...

A complete GMC Trucks porcelain neon sign, notable for its large dimensions and original bullnose attachment, also commanded attention, selling for $23,370 against an estimate of $6,000-$12,000.