1 franc carmin tęte-bęche
tęte-bęche in block on September 5, 1851 cover to Russia, plate 1, positions 34-45
Ceres #T6, Yvert #6e
Census of covers: two blocks on cover, the other is a repaired block of twelve to Peru ten other pairs or strips on cover
Two plates of 150 were used for the one franc. Plate one had tęte-bęche cliché at position 35. Both plates were used to print 2.13 million stamps. A total of 7,100 errors were printed.