This blade has on dot beside the 422 on the tang stamp. From what I can find out it stems from a change made in 1985 to the production process.
Early brown Valox Handle
Made in the USA
Closed length 4 1/4"
Blade length 3"
Knife has never been used-only handled
This is an excellent knife
First generation of BuckLites (1984-1987) were built from two pieces of Valoxª sandwiched on either side of the blade, a standard lockback "rocker" and a small tension bar extending from an inner plate that formed the end of the handle. This was all held together at the end with two brass rivets. The blade rotated on a slightly larger brass rivet up front, and the rocker pivoted on a small steel pin positioned about one-third of the handle length back from the blade. This was a very elegant way to apply the new material to an existing design, and one that allowed for the re-use of a number of components, such as the blades and rocker. It turned out to be a design that helped sales of the BuckLite take off from the very beginning, too, since the overall dimensions and operation so closely matched those of the other models, and were thus very familiar, but with a nice savings in both cost and weight. BuckLites weren't just lighter on your belt; they were lighter on your wallet too!