Photo Balkanmodels: May 1997 at NES Thessaloniki. Bmhe carriage 5173 2080 661-8 with destination board for service 500. Worth noting is that these carriages had their wheel number marked on the sole bar as 1L, 2L, 3L, 4L, 1R, 2R, 3R 4R, while all other OSE carriages had 1, 3, 5, 7, 2, 4, 6, 8.
christo.