I have the same identical plate. I thought only one had been made but now I know at least two were produced. I have had my plate about 40 years and purchased it from an antique
I found these 2 children on the 1900, 1910, 1920, 1930 &
1940 Federal Censuses on Ancestry.com. I learned the same
death date for John but have not learned the death date for
Sarah/Sara. She is on the 1940 census married to a Wm. Clanson. Sarah/Sara was born about 1909.
This looks like a souvenir plate. The background appears to be a decal applied. I believe the faces might have been