Topic: Henryk Wieniawski - International violin competition

Who is Henryk Wieniawski | What is this violin competition

The following Polish postage issues commemorate international Wieniawski violin competitions:

Fischer 647-648 (1952: 2nd competition)
Fischer 889 (1957: 3rd competition)
Fischer 2368 (1977: 7th competition)
Fischer 2623 (1981: 8th competition)
Fischer 3777 (2001: 12th competition)