Stamp: Gardiens de la Memoire. A Nous le Souvenir l'immortlaiite (Personalized and Private Mail Stamps 2020)

Gardiens de la Memoire. A Nous le Souvenir l'immortlaiite (Personalized and Private Mail Stamps 2020)

01 January (Personalized and Private Mail Stamps ) within release France : Montimbremoi Private Issues goes into circulation Stamp Gardiens de la Memoire. A Nous le Souvenir l'immortlaiite face value Lettre Gram

Stamp Gardiens de la Memoire. A Nous le Souvenir l'immortlaiite in catalogues
Colnect codes: Col: FR-MON 2020-311

Stamp is square format.

and Franco-Prussian War.

Also in the issue France : Montimbremoi Private Issues:

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Stamp Gardiens de la Memoire. A Nous le Souvenir l'immortlaiite in digits
Country: Personalized and Private Mail Stamps
Date: 2020-01-01
Emission: Personalized - Private
Format: Stamp
Face Value: Lettre Gram

Stamp Gardiens de la Memoire. A Nous le Souvenir l'immortlaiite it reflects the thematic directions:

World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a global conflict between two coalitions: the Allies (or Entente) and the Central Powers. Main areas of conflict included Europe and the Middle East, as well as parts of Africa and the Asia-Pacific. There were important developments in weaponry including tanks, aircraft, artillery, machine guns, and chemical weapons. One of the deadliest conflicts in history, it resulted in an estimated 30 million military casualties, plus another 8 million civilian deaths from war-related causes and genocide. The movement of large numbers of people was a major factor in the deadly Spanish flu pandemic. 

A monument is a type of structure that was explicitly created to commemorate a person or event, or which has become relevant to a social group as a part of their remembrance of historic times or cultural heritage, due to its artistic, historical, political, technical or architectural importance. Examples of monuments include statues, (war) memorials, historical buildings, archaeological sites, and cultural assets. If there is a public interest in its preservation, a monument can for example be listed as a UNESCO World Heritage Site. The Palgrave Encyclopedia of Cultural Heritage and Conflict gives the next definition of monument:

Stamp, Gardiens de la Memoire. A Nous le Souvenir l'immortlaiite, Personalized and Private Mail Stamps,  , First World War, Monuments, Second World War