Re: Return address on postcard #romania
The street name is "11 Noemvrie".
The 1936 (not 1939) Cernauti business directory lists a total of 13 people (or businesses) at that address, but not with the name "Suzcher (?)" from the postcard. See attached.
Directories and other info for Czernowitz can be found at: http://czernowitz.blogspot.com/2010/02/address-book-for-czernowitz-for-year.html
Online searches can also find good quality maps of Czernowitz from the timeframe.