1901 Yaroslavl to St. Petersburg

8.5.1901 Yaroslavl to St. Petersburg. Registered.

Sender: “Russian Entomological Review” journal editorial staff. Pair of 7 kop. 1889 stamps.

Addresse: Andrey Semyonov-Tyan-Shansky, a Russian entomologist specializing in beetles. He was the son of Pyotr Semyonov-Tyan-Shansky. He was among the first entomologists to consider the protection of insects and the risk of their extinction. Wiki