Case pocketknives are some of the most highly collected knives in the US. Case has been producing knives for over a century, and they have used many tang stamps over the decades.
Are you looking for the age of your Case knife? The easiest and most reliable way to date your case knife is by referencing the stamp on the tang. Simply match your knife’s tang stamp with the examples below for the age of your Case knife.
Case Knife Tang Stamps
Case Bradford PA (1905-1920)
This two line tang stamp is for early Case knives produced from 1905 to 1920. Some modern collector reissues have also utilized this stamp but these knives are easy to spot as they use modern handle materials.
Case Tested XX (1920-1940/1941)
Stamped on Case knives circa 1920 to 1940/1941 these stamps have a C that loops under the “ASE” and are referred to by Case collectors as Circle C knives. They are also often referred to as Tested. This two line stamp has been counterfeited frequently over the years so be wary of knockoffs.
Case XX (1945-1965)
This tang stamp was utilized from 1945 to 1965, after Case’s wartime hiatus. The two line stamp is affectionately referred to as Double X by collectors. Not as frequently counterfeited as earlier knives, but some do exist on the market.
Case XX USA (1965-1970)
This two lone tang stamp has Case XX on the first line and USA on the bottom line. These stamps have fewer counterfeits currently on the market than any of the above knives.
Case XX USA With Dots (1970-1980)
Similar to the 1965-1970 tang stamp with the addition of dots on the bottom row. The number of dots denotes the exact year of production.
Case XX SS With Row of Dots USA (1980-1990)
This three line tang stamp shows Case XX on the first line with runic SS with dots on line two. The bottom line has USA. The number of dots is from 1-10 where the number of dots denotes the exact year of production.