There are two different groups called The Buckinghams, the by far most successful being the group listed as #1, from Chicago, IL, United States.
These are photos from concerts where the buckinghams played, so they may be of other bands that played the concert as well.
The Yardbirds / The Lovin' Spoonful / The Turtles / the buckinghams / New Colony Six / the flock / The Little Boy Blues / The Fantastic Epics Dec 11, 1965 Chicago, Illinois, United States Uploaded by Zimtrim