My fren asked me what this picture is - it's on Ebay. I am too ill to dig so putting this here in case it gets almonds tingling for someone.
https://archive.is/wip/2l2fp
https://archive.is/wip/KsxMT
https://archive.is/tavs5
News clipping in Swedish on back of photo mentions Seth Brinck, a Swedish shipping magnate. I don't know Swedish though.
keyword description mentions Louise Mountbatten [Queen of Sweden]:
"Vintage photograph of Mercuri Schartauanernas receptionsgask: God Mercury with one of his assessors during the hearing of a recipient - 2 October 1938
Mercuri Schartauanernas receptio: God Mercury with one of his assessors during the hearing of a recipient
Anniversaries, anniversaries, banquets, banquet, balls, proms, parties, party,
Louise Mountbatten,
Student, cadets, officers"