State Service flag of Hesse.
This file depicts the flag, coat of arms or the State Service flag of a German Körperschaft des öffentlichen Rechts (corporation governed by public law). According to § 5 Abs. 1 of the German Copyright law, official works like flags are gemeinfrei (in the public domain).
Note that the usage of flags is governed by legal restrictions, independent of the copyright status of the depiction shown here. The State Service flag serves as a national emblem and must therefore not not be used in any deprecatingly way.