Australia 5c Outer Space Treaty

Australia · 1967 · 5c

This stamp commemorates Australia's ratification of the Outer Space Treaty. The design features a stylized representation of a satellite orbiting the Earth against a backdrop of stars, symbolizing international cooperation in the peaceful exploration of space. The vibrant blue and black colors evoke the vastness of the cosmos.

Issued in 1967, this stamp marks the international agreement to govern activities in space, prohibiting the placement of nuclear weapons in orbit and establishing space as a domain for all humanity.