Vintage (made between 1946 and 1956 see chart below) Imperial PROV U.S.A. cracked ice 2 blade folding Jack Knife advertising The PREMIER AUTOWARE Company in Cleveland, Oh and Los Angeles, Ca.
Serial number #'s on small blade: 2170537 2281782
Imperial Prov USA pocket knife tang dating code:
http://www.bladeforums.com/forums/showthread.php/554106-Imperial-Tang-Stamp-Chart
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Hammer Brand 2 blade pocket knife made between 1938 – 1941 (according to the link tang dating code link above)
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Hammer Brand USA 2 blade pocket knife.
By viewing the tang stamp with a magnifying lens I was able to determine that this knife was from the 1945 – 1955 production time frame.
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An Imperial jack knife from 1956 – 1988
Patent numbers: 2284833, 2689400, 2479855
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EARLY IMPERIAL KNIFES WERE THE AFFORDABLE NOT THE HIGHEST QUALITY BRAND ON THE MARKET AT THAT TIME,ALTHOUGH KNIFES IN GOOD CONDITION ARE STILL COLLECTIBLE.
i have a 3-1/2" single blade switchblade
imperial brand #s 228178
210753
Does anyone know the value ? The 3-1/2"s i open
Might check ebay or google “sell switchblades” and you should find some info!!
I have an Imperial pocket with two serial#s 2170537 and 2284833 According to your chart these numbers are from two completely different year models. What have I got?
I figured it out. Mine was made between 56 and 88. It looks it was made closer to 56.