Also called 'Stone Operation' 'Quacks' or 'Cutting of the Stone' .

In this database can be seen the same composition (30,9 x 38,6), published by Jan Thiel and on an unknown location with only a different text at the top. An engraving with an other text can be seen in the Museum Boijmans van Beuningen in Rotterdam,

Note from the website: www.loc.gov/pictures item/2006677592/ :

Title translation from Harvard University Library's South Sea Bubble Collection website: "Many became crazy because they believed in schemes."

• Title translation from Maureen Warren, 2014 Swann Fellow: "For many the stone is in the head because men believed in the wind," a saying based on the Bruegel motif of the stone surgeon about the folly of man.
• Summary: Satire on rise and fall of the South Sea Company described as "Satire on the financial crisis in 1720 shows different actions of people with a 'kei' (cobble stone) in their heads, with many engraved inscriptions reffering to the 'Wind Trade'," (Source: British Museum online catalog).