Value of a material substance is to be in accordance with the importance for human consumption or use in producing something else that can be consumed.
In addition to this base value you have other values like beauty and ornamental.
These are the real values that any work done by human beings is to be evaluated. The market by itself is just a figment of imagination of human society and does not follow natural laws of coexistence but try on just the opposite competition.
With the advent of the theory of abundance of nature being able to support more than the existing population of seven billion will give rise to better understanding and remove the concept of market.
Towards that goal human society has to work its way.