Unusual Early Daguerreotype Depicting Folk Art Drawing of Young Boy 1900s drawing Largest (including two planes together

Largest (including two planes together at bottom right) measures 6 1/2" x 4 5/8"

with a nice patina to the brass and a minor rusting to the chain

6 3/8" diameter x 2 1/2" tall

I have only found one other of these out there anywhere

Unusual Early Daguerreotype Depicting Folk Art Drawing of Young Boy 1900s drawing Largest (including two planes togetherI'm finding myself more and more drawn to things that feel mysterious and elusive, and this feels very much that. It's a sixth plate daguerreotype of a naive graphite drawing depicting a young child in profile with eyes closed and small hands in their lap, suggesting perhaps it was a postmortem drawing (?) though with a gentle sweetness that makes it seem as if he was just poised for bedtime. It appears to have been hand tinted, adding just a blush of