
Belka a Strelka na známke. Foto: Russian Post, Publishing and Trade Centre "Marka" (ИТЦ «Марка»). The design of the stamp by O. Yakovleva. / Public domain

Belka a Strelka. Foto: Profimedia

Belka a Strelka na známke. Foto: Russian Post, Publishing and Trade Centre "Marka" (ИТЦ «Марка»). The design of the stamp by O. Yakovleva. / Public domain

Vypchatá Strelka v múzeu. Foto: Pretenderrs / CC BY-SA

Vypchatá Belka v múzeu. Foto: Teknoraver / CC BY-SA