You may need it:
55 Croisettte,54 bvd(=boulevard) de la croisette,06400 Cannes;Tel 04.93.99.08.42/fax04.93.99.51.43
Martine Chambon,39 rue François Sibilli 83990 St Tropez
Tel. 04.94.97.09.60/04.98.12.92.07 /fax04.98.12.92.06
(I don't find "Battaglia" on annuary)
Une femme à suivre,104 rue Paradis,13006 Marseille
Tel 04.91.81.31.07
Espace Harroch,7 rue Paradis,06000 Nice
Tel 04.93.82.50.23/fax 04.93.82.90.53
Do you notice there are 2 Balenciaga's re-sellers with an adress "rue paradis"(=paradise street)
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Marseille is a bit far from Nice(Aix en Provence is near Marseille,that why I didn't note the adress,but if you want it,just ask!)
Hope this helps.
If you need more phone numbers and adress...I'm here!Hope you'll enjoy your trip!