Today I got a nice cover from Russia! The air mail cover was sent using four beautiful stamps issued in 2004. The stamps, which have four different designs, were issued as a series commemorating the WWF and the wolverine. The wolverine was declared an endangered species in 2003 due to widespread hunting for its fine pelt. The stamps were issued on August 12, 2004 and were designed by Petr Zhilichkin. Thanks Sergey!