Unfortunately, Camco passed away a couple of years ago.
Coleman didn't "let the info go away". The reason catalogs and such are difficult to locate is that when in business, companies put out new catalogs FOR DEALERS, not for general public use, with the exception of folks like Sears and Montgomery Wards. When a new catalog came out, the old one had outdated info and was usually tossed.
This thread has some misleasing info. The best folks knew when posted, but off.
Western was bought by Coleman when Western was already having difficulties. Coleman bought the company in 1984, and kept all the folks employed and the knives churning out. In 1991, Coleman sold the company to some Boulder businessmen who turned around and sold off the assets and name a few months later. Camillus bought the name and moved production to New York. Any company literature stored in Colorado was probably dumped at that time as no one wanted to pay shipping on old paper from a company that was defunct.
Camillus dropped the date stamp codes. They did add an extra "W" to the model number, but only on paper - on receipts and boxes, not on the knives. Camillus went bankrupt in ealry 2007 and closed the doors. Everything was sold off. Camco got a lot of the old documentation, but I don't know what happened to it.
Your W49 was made between 1973, when "Boulder, Colo" was dropped from the stamps and replaced with "USA", and 1977, when Western added the date code to the stamp and returned the stamp to the blades. The stamps moved to the guard in 1967 for some models and 1968 for others.
I'm still working on a "W49 Identification" set of postings. I'm down to proof-reading and picture taking. My current goal is the post it by Christmas, but the goal has slipped a couple of times due to life getting in the way.
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"A Folding Blade is a Bleeding Finger" - Zzyzzogeton
Beckerhead #346 KaBar Krew #17