There are a lot of people interested in the value of certain art pieces. The only way to truly get to the bottom of a question like that is to look to someone who knows how to do art valuation. This is the process of determining the kind of value that you can expect from a piece of art.
The kind of things that go into this process include the age of the piece, the artist who created the piece, and the care that has been put into maintaining this piece of art. It is all about making sure you have looked over everything related to the art and making a determination about what the value of that art is based on all of those various factors.
The valuation that is assigned to a piece of art is critically important. You should make sure you are looking to get these art valuations from a trusted source that truly knows what they are doing. This is why you should make sure you are doing everything that you possibly can to get your piece of art to someone who does these valuations all of the time. That is the secret to getting what you need out of your art collection as a whole.