Stamp of the USSR 1939: Fur trade. Hunter with polar foxes (Alopex lagopus Carl Linnaeus (L.), 1758). At the left and on the right: above – a squirrel (Sciurus vulgaris Carl Linnaeus (L.), 1758), below – a sable (Martes zibellina Carl Linnaeus (L.), 1758). Series: The All-Union Agricultural Exhibition (VSKhV) in Moskow, USSR, "New in the Agriculture"