Free Planet Alliance Flagship Rio-Grande (788 UC era) in the Legend of Galactic Heroes.
https://gineipaedia.com/wiki/Rio_Grande
# This Model does not include a thin wire antenna.
# This Model no needs to assembly
# If you do detail up an antenna in 0.3mm plate, as shown in the attached image, you can get a better model.
# if you want to see bigger and more detailed ship, Please check the Tags. (LoGH_Alliance_RioGrande)