Doesn't seem likely. Pictorial stamps such as these were produced with collectors in mind pretty much from the time that stamps were first...
It's interesting that the maker didn't just use real stamps.
I have lots of old family photos around here with those kinds of mounts. I don't quite know what to do with them. It's the photos that matter,...
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Very attractive. Decorated by a third party. The gold mark was meant to obliterate the mark of the manufacturer of the porcelain as that was not...
https://www.crockerfarm.com/stoneware-auction/2016-03-19/lot-166/Rare-Rockingham-Hunt-Scene-Frog-Pitcher-attrib-John-L-Rue-South-Amboy-NJ/
There was a Fannie Lewis Handy in Mass, 1848-1930. http://www.cataumetcemetery.org/?page_id=1307
Well done on the restoration! You could look for a period mount with an inconsequential photo and either remove the old photo or simply overlay...
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