C.
While not scarce, identifying these examples relies on distinguishing the Vichy issues (without RF) from their Third Republic predecessors.
Algeria: In this instance, the registered letter was sent from L’Arba on September 27, 1943, The unusual triangular label “Remboursement” (Reimbursement) pays the added 2 hundred and 24 cent plus .80 centimes remboursement fee.
In the case of the bottommost cover, the mail was addressed to neutral Switzerland, posted in Kouea, Algeria on March 1, 1943, and censored by the Germans before forwarding to the International Red Cross.