Morocco (French) 1913 envelope to France routed via Tangier

endorsed Troupes d'Occupation du Maroc bearing Postes Cherifiennes 10c Vermilion Yvert 4, tied by bilingual KEFROU datestamp with adjacent Military cachet 4th Regiment de Tirailleurs Le Commandant a Detachement, with PAU arrival. Scarce combination. (pt)    ID: 4752