China  1960
Luna 2, Luna 3
Left:  Commemoration of the Soviet Luna 2, the first craft to hit the Moon. It carried a plaque with the Soviet coat of arms.

Right:  Soviet Luna 3 taking the first photographs of the far side of the Moon.

These stamps were issued as a pair in 1960.

Stanley Gibbons catalogue numbers:
8f  –  1907
10f  –  1908