quacksalver-charlatan-Adriaen-van-Ostade-1648-Rijksmuseum-lookandlearn.com-YR0006754(https:::www.lookandlearn.com:history-images:YR0006754:Quacksalver-Charlatan)
A 1648 painting by Adriaen van Ostade of a quacksalver or charlatan selling his wares to a group of townspeople.