[Mirek Wawrzynski]

Thanks, so it could be then Sluzev (?), where just before war was opened this race tower (in Polish: Tor Wyścigów Konnych na Służewcu - Mokotów). These buldings are still working and the racees stilll going on there.
BTW Plenty people lost plenty money over years, and winners are realy few after race.

Regards,
MirekW