/usr/share/doc/libsilo-bin/COPYRIGHT is in libsilo-bin 4.10.2-5build2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libsilo-bin/../libsiloh5-0/COPYRIGHT
/usr/share/doc/libsilo-bin/../libsiloh5-0/COPYRIGHT