Each is 3.5" with the first in black and white while the second with the same image has the guitar design in red. Third button is a totally different photo and with the guitar being white with red lettering. On the first the curl carries the name of NYC maker Slater, on the second the curl has same name along with 1966 copyright information naming Raybert along with Screen Gems. Third item has the same information although with a 1968 copyright and this is the first example we can recall seeing of this photo button. All are Exc. and display Mint.