chakster"selling NOS Pickering for low price, it's it's new and never used"
You are obviously confused, disoriented, or misinformed by definition NOS means "New Old Stock" if it has been used it is not new and therefore can not be NOS of course many old, aged, out of production phono cartridges are advertised as NOS but they are in truth, reality, and practice used, used, used as can be verified by experts i do not know why anyoen would prefer such old products even if they are genuine NOS it is likely and even probably that elements of the cartridge have dried up from unuse in storage!