COSI's Huge 50th Anniversary Celebration
Celebrating their 40th anniversary, COSI released this brochure.
Celebrating their 25th anniversary, COSI had a big event with balloons outside.
COSI has a long traditions of Christmas celebrations. On COSI's last day it had a closing ceremony.
A little before COSI's last day, in late August 1999, it had a party for volunteers and former volunteers.
COSI had a big celebration for the beginning of work on the new COSI in 1997.
COSI celebrated Christmas throughout the years.