The Girl Scouts of America held in 1956 the
first Senior Girl Scout Roundup. The event was
located in Milford, Michigan. A total of 5,000 girls attended.
Two cachets and three post cards printed by SOSSI member Harry Thorsen are known. There
was no special cancel.
SOSSI Journal, Vol. 27, No. 4, April 1978
Created by Keith Larson, 2000.