This listing is for 
ADVENTURES OF SUPERMAN 152 ISSUE COMIC RUN #440,441,452,454-459,461-471,473-491,493-521,524-530,533-536,539-548,550-597,599-603,605-613 (1987) DC COMICS
No. 500 includes both regular and poly-bagged editions,

The overall average grade is NM-

S1930