This coffin plate for John F Rebstock is fairly standard for the time. It is constructed from silver plated cast metal. Before about 1890 most coffin plates were constructed from thin plate metal.
I went and had a look for John in the 1900 United States Federal Census.
1900 United States Federal Census
Name: John F Rebstock
Birth Date: Sep 1888
Birthplace: New York
Home in 1900: Tonawanda, Erie, New York
Relation to Head of House: Boarder
Marital Status: Single
Father's Birthplace: New York
Mother's Birthplace: New York