This is a large, single core Copper cable, with PVC coating. It should also be of high quality. PVC is valuable for its flexibility, although can be subject to degradation, which may cause an issue with any exchange of such a product. Its value will also be based primrily on the percentage of Copper that the wire consists of. Copper is valuable, and so there is a clear correlation between the two variables of its presence and its worth. These can be very valuable commodities if of a high enough grade.