These are 17 baseball tickets to the Yomiuri Giants baseball games in Japan, ranging from 1967 to 1976. These were during Sadaharu Oh's playing days (famous for hitting a record number of homeruns)

9/17/1967 (x2)

7/12/1969 (x3)

6/23/1971

8/27/1972 (x2)

7/3/1975

10/13/1976

10/15/1976

....and then 6 more tickets I can't find a year on.

Tickets are in average shape, with various wear, stains, folding, and occasional writing. please see pictures for more details.