The left picture shows a constant plate flaw (50c) on the first stamp from right
in the second row on the sheet: damaged fasces.
The right picture shows a constant plate flaw (10c) to left corner of the F somewhere in the second row on the sheet: damaged fasces.
damaged fasces
damaged fasces
Layout sketch
A layout sketch for this issue by Pheulpin. Picture thanks to J. Merot.