Old West firearms from the estate of Mike Stewart plus two other premier estate collections form a high-powered trifecta to lead the September 13 Montrose Auction in Central Georgia.Bid in person, online or by phone on 551 expertly-curated lots including early Colt, Remington and S&W handguns; Caesar Guerini shotguns, Christensen rifles, coveted Cabot ‘American Joe’GREENSBORO,...