It depends... if its not the your address then don't open it and if it is open it .
Also, If I were you I would see who wrote it if it is a company I would contact the company and tell them about it .
His middle initial was "T"
Taylor's middle name is Alison, so her middle initial is A.
Kate Gosselin's middle initial is "I" for Irene.
The middle initial of Sergio Osmena is "S."
The middle initial of Deogracias Rosario is "R."
The middle initial on a boarding pass typically includes the initial of the passenger's middle name.
His middle name is Thomas, so his middle initial is T.
Jessica is Danielle's middle name. Therefore her middle initial is J.
His middle initial stands for Bird!
P. is his middle initial
According to Albert Einstein's birth certificate, he didn't have a middle name or middle initial.
A character data type.