UP FOR AUCTION IS A VERY RARE VICTIRAIN ANTIQUE DUPLEX  OIL LAMP BURNER  IN BRASS AND PORCELAIN. THE BRASS AND PORCELAIN WICK RISER KNOBS READ TRADE MARK,  THE SILBER LIGHT COMPANY LONDON. MANUFACTURED IN FRANCE  WITH CAPITAL LETERS S L C ALL IN VIBRANT RED ON THE WHITE PORCELAIN BACKGROUND. WE TOOK LOTS OF PHOTO'S TO TRY AND SHOW THE WRITING ON THE RISER KNOBS BUT THEY KEPT COMING OUT BLURRY. WE GUARANTEE THEM TO BE IN NICE BRIGHT RED LETTERING EXACTLY AS THEY WERE MANUFACTURED. THE ATTACHED SHADE RING IS A BIT OVER 4 IN. IT COMES WITH BOTH OLD WICKS AND BOTH WICK KNOBS WORK NICELY. IT STANDS ABOUT 3 1/2 IN. TALL AND TAKES A 2 1/2 IN. CHIMNEY. WILL SHIP WORLD WIDE OR OK FOR P/U. ANY QUESTIONS PLEASE ASK BEFORE BIDDING AND THANKS FOR LOOKING.