I have single cards from all of the following years/sets. I have some complete sets for trade/sale as well.  The list of sets changes frequently so it is easier to let me know what you are looking for if you'd like to trade/buy.

SCORE

1988  1989  1990  1991  1992  1993  1994  1995  1996  1997

FLEER

1981  1984  1989  1992  1996XL

DONRUSS

1984  1993

TOPPS

1975  1976  1977  1978  1979  1980  1981  1982  1983  1984  1985

1986  1987  1988  1989  1990  1991  1992   1993  1994  1995  1996

1997  1998  1999  2000  2001  2002  2003  2004  2005  2006  2007