WTB: Need 4 1969 Chicago Cubs Single Signed Baseballs
 

A close friend is down to needing 4 1969 Chicago Cubs single signed baseballs to complete his collection. Does anyone have an outlet for these other than ebay? He needs:

1. Hank Aguirre

2. Ken Johnson

3. Randy Bobb

4. Manny Jimenez

If anyone can help I/he would surely appreciate it.
Tony