(4) VTG Phillips 66 Spark Plugs P-18-3 NOS in Small Boxes w/ Outer Box 1930s-40s

Vintage B.M.C. (Bosch Magneto Corp.) LABORATORY TEST PLUG?

FANTASTIC Vintage MONTGOMERY WARD SPARK PLUG HINGED TIN Service Station Sign Gas

Vintage Splitdorf Green Jacket Spark Plug Hit Miss Engine Car 1-29

Antique Spark Plug Advertising Tin Tungsten Marshall Oil Marshalltown Iowa Auto

Vintage 7/8” Rentz Lighthouse, Visible Firing Spark Plug Hit Miss Engine Gas

Vintage CHAMPION X Spark Plug Box Only Model T Ford Decoration Advertising

VINTAGE BAYSDORFER AFFINITY SPARK PLUG ANTIQUE RARE FIND COLLECTIBLE AUTO PART