I december 1943 flyttede de til Amsterdam, hvor de boede i den eksklusive ejendom Keizersgracht 321.<ref>Boissevain, Jeremy (1996) ''Coping With Tourists: European Reactions to Mass Tourism''. Berghahn Books. p233. {{ISBN|1-57181-878-2}}</ref> Hans forfalskninger havde indbragt mellem 5,5 og 7,5 millioner guilders (eller omkring $ 25-30 &nbsp; millioner i dag).<ref name="multiple">To obtain the relative value in U.S. currency for a given year the number of guilders was divided by the [http://www.measuringworth.org/exchangeglobal/ rate of exchange (guilders or pounds per dollar)] for that year. The value in U.S. currency for a given year was then entered into the formula at [http://eh.net/hmit/compare/ What is the Relative Value?] {{webarchive|url=https://web.archive.org/web/20060514033518/http://eh.net/hmit/compare/|date=2006-05-14}} to obtain the relative value in currency in "today’s" money (Consumer Price Index for 2005).</ref><ref name="Bailey234"> Bailey, 2002: 234 </ref> Han brugte dem til at købe fast ejendom, smykker og kunstværker og til at finansiere sin luksuriøse livsstil. I et interview fra 1946 fortalte han Marie Louise Doudart de la Grée, at han ejede 52 huse og 15 landsteder i egnen omkring Laren, blandt andet ''grachtenhuizen'', dvs. smukke palæer langs Amsterdams berømte kanaler.<ref name="Gree1946a" />
Jura Sikkerhed Kriminalitet