This souvenir sheet is dedicated to the 100th anniversary of the Trans-Siberian Railway.
The Trans-Siberian Railway began to be built at the initiative of the Russian Emperor Alexander lll
The stamp depicts the western portal of the tunnel on the Yablonovy ridge - the highest point of the highway,
the inscription "To the Great Ocean" there is on the tunnel. The tunnel was not preserved, when the road expanded, it was blown up,
but the stone from the lining of the tunnel is carefully stored.