USSR Matchbox labels of 1962. Space Exploration, Vostok – 3, Vostok – 4 USSR Matchbox labels of 1962. Space Exploration, Vostok – 3, Vostok – 4 Related Posts:Space exploration Matchbox labelsUSSR Space Exploration postersSoviet Space Exploration StampsCollecting USSR matchbox labelsChemistry inspired USSR matchbox labelsWise thoughts USSR matchbox labels