50 years of research at the Baie du Martin on Crozet Island - 2 first day covers, catalog no

The first day covers are with the stamps on the topic “50 years of the research station at the Baie du Marin on the Crozet Island”, catalog no. 751-752, franked and canceled on December 21, 2011. The two postage stamps at 0.60 euros each and the first day covers show a historical and a contemporary view of the research station at the Baie du Marin on Crozet Island from 1961 and 2011.