Smallest is 1.25" and largest is 3.5". First showing person being shot against cross hairs and targets reads "Kent 25" and references the National Guard firing on students at Kent State in Ohio. Kent is also referenced on the first button in the second row. The button with classic slogan "Hell No, We Won't Go" has a few small brown marks mostly on the outer rim edge and total of only four or five. Third button with peace dove includes both black and white hands raised in peace symbol. Third button in row two carries name and New York City address of group "Vets For Peace." Last button was for a specific Washington demonstration "November 15" this is from 1969. Except as noted items are NM to Mint and display Mint.