Kreytsinger, Jozef – Portrait of Alexander Suvorov Hermitage ~ part 06

The picture has something of this: people, wear, portrait, man, veil, woman, facial expression, music, outfit, royalty, jewelry, sash, necklace, costume, two.
Perhaps it’s a painting of a man in a military uniform with his hand out and a sword in his other hand, standing in front of.