If you have ever bought a vintage sign, you would know that having a sign like this in your possession is the sort of thing that nothing else would ever be able to measure up to at any given point in time. A big part of the reason what that is the case has to do with the fact that vintage signs are a really nostalgia inducing phenomenon, and they can help you to feel like you have never left the innocent days of your youth when everything seemed to be perfect and there was nothing at all that you were left wanting in any way, shape or form.
A lot of people buy vintage signs so that they can end up selling them at some point in the future, and if you are looking to selling vintage signs then your main goal here would be to find some type of way in which you can maximize the price at which these signs would be able to be sold in the first place. Cleaning up your sign and making it look as pretty as possible is a really excellent first step that you can end up taking in this regard, since it will entice people and make them a great deal more likely to want to buy the sign.
Driving up demand would mean that your limited supply would have greater value. When you have made your sign seem really desirable to the point where lots of people want to buy it, the end result would be that you can just sell it to the highest bidder and not really have to worry about anything else at all.