Exterior of Hamburg retail property The Kaufmannshaus was built in 1905 and revitalized in 2013.

VIENNA—In what is reportedly Germany’s largest commercial property transaction thus far in 2017, RFR Holding GmbH has traded five trophy assets to SIGNA Prime Selection AG for approximately €1.5 billion (US$1.75 billion). The properties span Germany’s four largest cities and include office and retail.