seat covers

Hi guys,not looking good for me at the moment as to geting 69 dart bucket seats.My 69 Dart had org bench seat.But high back buckets are easy to get thing is there all 70 to 74 ones.what i would like to know if i get say 73 duster seats and get new covers for them would the rear covers work with my 69 seat frames.I want the front to match the rear,dont want two different patterens.any thoughts.