Barbara: This is not a perfect match on Smith PLOTT.
Name: Samuel C Plott
Death Date: 09 Apr 1974
Race: W
Gender: M
County of Death: Whitfield
Certificate: 009583
Age: 81 years
County of Residence: Union
Name: Nora B. Plott
Death Date: 18 Mar 1920
Gender:
County of Death: Union
Certificate: 10572-B
Death certificate for Norah PLOTT has a dash (-) after the numbers, followed by the alpha character "B".
Records noted in that manner sometimes represent a deceased Baby/Infant.
I hope this at least provides a lead for you.
Rachal