WWI French Military Envelope - "Corps D'armee Annexe rue du Manege"

Addressed to: "Monsieur le commandant du dépôt du 264ème infanterie Ancenis, Loire Inférieure" ("To the commander of the depot of the 264th Infantry Regiment in Ancenis, Loire-Inférieure").

Sender Details: "Le Comptable de à l'att C Rennes" ("The Accountant at the attention of C Rennes"), indicating the sender's role in financial or administrative matters, with "C" possibly standing for "Capitaine" (Captain) or another designation.

Postmark: "Rennes 15 - 11 15 Ille et Vilaine. Corps D'armée 15 Nov 1915 Annexe rue du Manège", specifying it was sent from Rennes on November 15, 1915, from an annex of the Army Corps located on rue du Manège.

This envelope reflects the administrative logistics of the French military during WWI, particularly the interaction between accounting or administrative personnel and regimental depots. Such correspondence was vital for managing finances, supplies, or personnel records, ensuring that the army was well-supported logistically.

Condition: Given its age and historical journey, the envelope exhibits signs of wear such as fading, creases, or minor tears. The condition reflects its passage through wartime postal systems.

Historical Significance: An invaluable artifact for collectors of WWI memorabilia, focusing on French military logistics, administrative history, or postal history. It provides a direct link to the bureaucratic operations behind the military efforts. Offers insights into the administrative side of warfare, the role of accountants or comptrollers in military operations, and the importance of communication for maintaining an army's functionality.

Note:  This WWI envelope is not merely a piece of postal history; it's a snapshot of the extensive support network that was essential for the French military's operation during the Great War. It captures the essence of the logistical and administrative machinery that supported the soldiers on the front lines, emphasizing the often unseen but critical roles in the war effort.