Help Please, I have a Winchester Reproduction Model 12 NRA Commemorative 20 Gauge shotgun with 26" vent rib IC barrel with brass front bead. Stocked in well figured Amerirealcan Walnut wi th 14" LOP to a hard Winchester buttplate. Engraving and gold inlay by Artistic Arms, Augusta, GA 6lb 14oz New condition. W/ box mint I want to sell it realistically what is it worth? Real money not a pie in the sky number.