Surprise your loved one this Valentine's Day with one of these iconic photos from Artnet Auctions’ Select Photographs sale. Richard Prince, Untitled (Couple) (2006). Est. $12,000–$18,000. While French ...

It was a scene that melted hearts all over the world - a besotted couple in a clinch in the city of love. But Robert Doisneau's Le Baiser de l’Hôtel de Ville (The Kiss at City Hall) was not all that ...