Issued by France in 1970, this 1,30 Franc stamp commemorates the renowned Observatoire de Haute-Provence, operated by CNRS. The design features the observatory domes alongside a dramatic spiral galaxy, symbolizing France’s contribution to astronomical research. Printed in a rich deep blue tone with fine engraved detailing, the stamp beautifully captures the scientific spirit of the era. A strong thematic addition for collectors of astronomy, science, space, and French institutional issues. A classic 1970s French commemorative with striking visual depth.