Encounter Frederick II with Emperor Joseph II in Neisse in 1769 Adolph von Menzel (1815-1905)

The picture has something of this: people, group, woman, man, wear, dress, costume, opera, elderly, priest, music, outfit, many, performance, leader, theatre, child.
Perhaps it’s a painting of a man shaking another man’s hand in front of a group of men dressed in old - fashioned clothing and garbs.