Inflation calculator indicates 1929 $1M = $16M present value, but if you compare relative living standards in 1939 $1M was something like $35M-$50M today money. $20k was buying large residential house in Switzerland in 1939. $1m (in cash!!!) would bring her to top 10 richest people in 1939 Romania. On the other hand, she must have been an extremely refined art connoisseur to anticipate that Picasso should be preserved in a bank vault.
U.S. sanctions Russia's state-owned arms exporter Rosoboronexport (Reuters)