Value of VENETIAN Laser Engraved All Sides Sterling Silver Lighter with Zippo Pat 2517191 Insert | iGuide.net
United States Navy Aviator Badge Zippo PAT. 2517191 | InstAppraisal
Vintage Zippo 1965 Pat 2517191 Municipal Pipe & Fabricating - Etsy
VINTAGE 1958 PAT. #2517191 ZIPPO CIGARETTE LIGHTER - DOBSON CORP. PEST CONTROL | eBay
Here is another out of my collection.. This was my grandfather's Zippo from the 1950-1954 era. Pat Pending 2517191 with original ZIPPO font. He worked at GE General Electric his entire life,