[two crossed Flag of France]
LE 17 AOÛT 1944.
LE COLONEL de MARGUERITTES dit LIZÉ
COMMANDANT LES F.F.I. DE PARIS
A INSTALLÉ DANS CETTE MAISON
SON POSTE DE COMMANDEMENT.
DE LA, IL A MENÉ DU 19 AU 28 AOÛT
LES COMBATS
POUR LÀ LIBÉRATION DE PARIS.

The house where was the headquarters of Jean Teissier de Marguerittes (1882-1958), known as Colonel Lizé, who led the FFI forces (French Interior Forces) of Paris in the fight to liberate the city (this was before the arrival of the forces of Marshal Philippe Leclerc, who is known as the liberator of Paris)

The house was photographed on the same day Click for a larger image

Translation of the text on the sign:
AUGUST 17, 1944.
COLONEL de MARGUERITTES known as LIZÉ
COMMANDER OF THE F.F.I. FROM PARIS
INSTALLED IN THIS HOUSE
HIS COMMAND POST.
FROM THERE HE LEAD FROM AUGUST 19 TO 28
THE FIGHTS
FOR THE LIBERATION OF PARIS.