It is a cinematographic work, photographic work, work of applied art or anonymous work first published more than 75 years ago. (See Commons:Copyright rules by territory/Vietnam)
It is a cinematographic work, photographic work, dramatic work, work of applied art or anonymous work first published more than 50 years prior to January 1, 2010.
It is another type of work, and the creator died more than 50 years ago.
To uploader: Please provide where the image was first published and who created it.
Uploaded a work by The government of the Nguyễn Dynasty (French Indo-China). from * [https://www.crwflags.com/fotw/flags/vn_i-anm.html Annam (Indochina). - Last modified: 2016-09-02 by] [mailto:young.r@verizon.net randy young]. ([https://www.crwflags.com/ CRWFlags.com]). * [https://www.crwflags.com/fotw/images/v/vn_39c.gif "Cavalier du Roy" -image by Željko Heimer. (used in the country's capital and the provincial capitals). - Proportions: 15:16 (approximate). - Source: Flaggenbuch, 1939 {...