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 Four Tops / Martha Reeves / gary puckett / the buckinghams Oct 18, 1991 Philadelphia, Pennsylvania, United States Uploaded by Zimtrim