Name: Frankfurter Rudersportverein Sachsenhausen 1898.eV.
Located in: Frankfurt/Main
Established: 8th October 1898
Source: Rudersportalmanach 1977
Further information here.
Description of flag (see attached file: It is a white flag with a blue
cotized centred cross. There are blue capital letters: "F" (upper hoist),
"R" (upper flyend), "V" (lower hoist) and "S" (lower flyend). In the centre
of the flag the cross is superimposed by a red shield with the white eagle
Klaus-Michael Schneider, 24 Dec 2006