must have been built the first couple months of 75....otherwise, it's a post Vietnam era knife...
half the hilt was removed, and thumb notches added....doesn't sound/look like "shop" work to me....BUT I'm not the expert on what the shop may have done back in the day.
Just say'n
As for value??? just put it on the Bay, and find out!!! the ultimate place to find "true value"
:-)Rocky
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Rocky Whitaker
RKCC#25