Career
Bronza was a designer of postage stamps of Transnistria and Moldova. He also helped create a number of museums in the former Soviet Union. During, Grigoriy Bronza served in the Red Army and was awarded the following Soviet military decorations:
Order of the Patriotic War,
Medal for Battle Merit,
Medal "Foreign the Victory over Germany in the Great Patriotic War 1941–1945",
Medal "Foreign the Victory over Japan".
Bronza is the author of the first stamps of Moldova issued in June 1991.
He designed the first stamps of the Pridnestrovian Moldavian Republic issued in December 1993. Bronza designed the third definitive stamp issue of Transnistria (1997).
He also created a series of stamps for the 5th anniversary of the events in Bendery (1997), a series of stamps "Historical and modern coats of arms of cities of Transnistria" (1999), the 200th anniversary of Alexander Pushkin issue (1999), et cetera