Editing Mona Lisa (section)

===Financial worth===
Before the 1962–1963 tour, the painting was assessed for insurance at $100&nbsp;million (equivalent to {{nowrap|${{inflation|US-GDP|100|1962|r=-1|fmt=c}} million}} in {{inflation/year|US-GDP}}), making it, in practice, the [[List of most expensive paintings#List of highest prices paid|most highly-valued painting]] in the world. The insurance was not purchased; instead, more was spent on security.<ref>{{cite book|title=The Guinness Book of World Records 1999|title-link=Guinness Book of World Records|publisher=Bantam Books|year=1999|isbn=978-0-553-58075-4|editor-last=Young|editor-first=Mark|page=381}}</ref> In 2014, a [[France 24]] article suggested that the painting could be sold to help ease the national debt, although it was observed that the ''Mona Lisa'' and other such art works were prohibited from being sold by French heritage law, which states that, "Collections held in museums that belong to public bodies are considered public property and cannot be otherwise."<ref>{{cite web|date=2 September 2014|title=Culture – Could France sell the Mona Lisa to pay off its debts?|url=http://www.france24.com/en/20140902-could-france-sell-mona-lisa-pay-off-its-debts|url-status=live|archive-url=https://web.archive.org/web/20151130092248/http://www.france24.com/en/20140902-could-france-sell-mona-lisa-pay-off-its-debts|archive-date=30 November 2015|website=France 24}}</ref>