Vintage Tennis Ball "Leningrad", USSR, 1970s–1980s. Collectible. An original Soviet tennis ball "Leningrad" manufactured by the legendary Leningrad production association "Krasny Treugolnik" (Red Triangle). An authentic piece of Soviet sports history from the 1970s–1980s. The distinct factory marking in blue ink is perfectly preserved on one of the hemispheres: a five-pointed star and the inscription "LENINGRAD". ·        Country of manufacture: USSR · �...