Exquisite Antique Tintype of Painting of Infant 1980s vase I love a seascape

I love a seascape

one chip to to the glaze on the lip

I purchased it from a British seller

much aged and rusty but nut shedding

And then handy advice toward the end

Exquisite Antique Tintype of Painting of Infant 1980s vase I love a seascapeI'm not altogether certain how to untangle this one, but it appears to me to be a tintype photo of an earlier watercolor, I presume a portrait miniature but perhaps it is a tintype of a daguerreotype of a painting (??) And I love the mystery and ambiguity of it in many respects; while sharing qualities of post mortem daguerreotypes, where infants were carefully laid out in a similar manner here on what looks like a chaise, with a curtain draped behind