There are 5 Aero Commander 680-E aircraft on the U.S. registry that TailWiki has a page for. Every one is built from the public FAA record — year, serial, engine, home base, and registration history — and owners and pilots add photos, trips, and stories on top. The ones listed here were built between 1958 and 1959.
N4278S
1959 Aero Commander 680-E
Athens, OH
N8445C
1959 Aero Commander 680-E
Paterson, WA
N8468C
1959 Aero Commander 680-E
Mountain View, CA
N71DF
1958 Aero Commander 680-E
Crescent City, FL
N9680E
Aero Commander 680-E
Spanaway, WA