1937, "ROLAND GARROS" flight 50c. red, marginal block of four from
the lower right corner of the sheet, both bottom stamps
1937, "ROLAND GARROS" flight 50c. red, marginal block of four from
the lower right corner of the sheet, both bottom stamps without
surcharge (= two vertical pairs with/without surcharge), clearly
postmarked with centric strike "SAINT-DENIS REUNION 25.1.37".
Certificate Braun VP "immaculate". Yvert PA1a, Maury PA1b