Check this link from Karen Trenouth's website Jack the Ripper and Victorian Crime.

http://victorianripper.niceboard.org/t2224-mary-jane-kelly-from-liverpool

The real Mary Jane Kelly's death certificate is pictured above.

Any real Mary Jane Kelly candidate cannot therefore have "another" death certificate, for another time and/or place.

"Mary Jane Kelly from Liverpool" has no "other" known death certificate and we know she died sometime between 1887 and 1890.

So far, none has been found.

Yes mary