This lighter has the original insert. The patent number on the case matches the insert.
1937-1946 VINTAGE ZIPPO 3 BARREL 16 HOLE CHIMNEY ADVERTISEMENT
1937 Zippo
1946-52 Zippo Lighters
Vintage 1934 1936 Advertising 16 Hole Chimney Zippo Lighter
1946-52 Zippo Lighters
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NICE VINTAGE 1946 Zippo Lighter 3 Barrel Hinge Nickel Silver 14
Zippo 3 Barrel for sale
1937 Zippo