A Carhartt Overalls single-sided porcelain sign from the 1910s soared to $28,320; a Peabodys Overalls single-sided porcelain sign, also from the 1910s, rang up $18,880; and a 24-inch diameter White Rose Dealer petroliana sign brought $15,340 in two days of online-only auctions held December 7th and 8th by Miller & Miller Auctions, Ltd. All prices quoted in this report are in Canadian dollars and include an 18 percent buyer’s premium. All three of the abovementioned headliner lots were Canadia...