Nice postcard from Russia. Thank you Irina !!

Nice astronautic theme cover. Thank you Anne!

Nice cover from China.

Nice Block from South Africa. Thank you Ruan!

Postcard form URSS to Argentina.

Nice view of the Kremlin.

The postcard is postmarked 30-06-67. One of the stamps commemorate de Vostok 1 flight, the first human flight (Juri Gagarin).