"A Cafe by the River" by Alonso Pérez.  Victorian genre painting of an 18th century scene, ca. 1780s.  Note the gentleman on the far right, who is slipping a clandestine letter (probable billet-doux) to the seated woman.
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Alonso Pérez</div>
1895<div style="display: none;">date QS:P571,+1895-00-00T00:00:00Z/9</div>
Public domain