I'll add another one to my list from above. Yesterday I was playing around with an original SOG Nite Tech. It is beat to crap from use, the bluing is long gone, and the original nylon scabbard is likewise beat up badly, but the SK-5 steel still takes and holds that nice razor edge I like.
http://www.sogknivescollectors.com/nitetech.php
Cheers,
Carl
I have a Vintage 1880's Al Mar sog Fighter-man I looooove that knife-I will post pics if wanted?