nice knife - the X means it was made in 1990
Usually second hand knives have been butchered by people sharpening them badly. If not then it will be great for collecting trophies and keepsakes.
Year Symbol Stamped on Blade
1968 - BUCK over USA
1973 - Added model # to above
1986 <
1987 >
1988 ^
1989 V
1990 X
1991 +
1992 -
1993 /
1994 \
1995 C
1996 Backwards "C"
1997 Upside down "U"
1998 U
1999 A squared "C"
2000 Backwards squared "C"
2001 Upside down squared "U"
2002 anvil
2003 A "T" symbol
2004 Upside down "T"
2005 Idaho
2006 -|
2007 V
2008 ^
2009 >
2010 <