This is an 8x10 color photo matted to an 11x14 size of four actors in The Andy Griffith Show. They are
Don Knotts, Betty Lynn, Andy Griffith and Aneta Corsaut. What makes it extra special is that Don Knotts and Betty Lynn signed the photo.  Don signed in blue, felt-tip pen and Betty signed in black, felt-tip pen.
 
The photo is in mint condition.  You will receive a certificate of authenticity from TinkerBellTalks.com with a lifetime guarantee on the authenticity of the autograph or a full reflund would be made.