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NEW HAMBURG, Ontario â A rare 1930s-era En-Ar-Co Motor Oil rack made for the Canadian market, a 1989 Rolls Royce Silver Spur car with 100,000 original miles and a 1967 Triumph TR6R Trophy Sport 650 motorcycle in perfect running condition are a few expected top lots in Miller & Miller Auctions Ltd.âs upcoming Advertising & Nostalgia Auction on April 6. Absentee and Internet live bidding is available through LiveAuctioneers.