Portrait of Kristina by unknown 18th century painter

Sources:

Bukowskis | Klassiska, page 160, published on May 13, 2013:

https://issuu.com/bukowskis/docs/bukowskis_klassiska

Svensk konstnär 1700-tal, lot 240 in Vårens Klassiska 574, at Bukowskis.com:

https://www.bukowskis.com/sv/auctions/574/240-regentlangd-12-st

Above: Kristina.