Dating case pocket knives
Case describes several dozen abbreviations for individual knife attributes and combines two or more of these in a blade abbreviation.The blade abbreviation HPSS is a combination of HP (signifying that the knife has a sheep foot and a spay blade) and SS (signifying that the blades are stainless steel). They are highly collectible—the Case Collectors Club has about 18,000 members, who collect by model (pattern), handle material and year among other characteristics. has produced many types of folding and fixed-blade knives since 1889.See References for a complete gallery, which will also help you to identify the years of manufacture.Look for distinctive elements on the tang stamp: the word Case XX; one or more dots; a series of dots and X's (for example, .x.x.) surrounding the word “Case”; or lightning-shaped S's.
(AAPK-All About Pocket Knives) History of the Robeson Cutlery Company ( Roberson Cutlery Straight Razor ( Robeson Tang Stamps (CANoyes Photobucket) Schrade Tang Stamps ( Schrade Cut.
The last two or more digits and letters (18 in our example) signify the model of knife, what Case calls the pattern.