NEW HAMBURG, Canada – A circa-1884 Winchester cartridge board – one of the most sought-after examples of American sporting advertising – hit the mark for $70,800 in an online-only Petroliana & Advertising Auction held April 23 by Miller & Miller Auctions, Ltd. The cartridge board was the top earner in a 482-lot auction that grossed $538,581. All prices are given in Canadian dollars.