![Cat.No: 247898 21st CPUSA Convention / Chicago 1975 [pinback button]](https://www.bolerium.com/pictures/medium/247898.jpg?v=1580356380)
21st CPUSA Convention / Chicago 1975 [pinback button]
Chicago: CPUSA, 1975. 2.25 inch diameter pin, very good, dark shade of blue.
Cat.No: 247898
Price: $15.00
Chicago: CPUSA, 1975. 2.25 inch diameter pin, very good, dark shade of blue.
Cat.No: 247898
Price: $15.00