Rectangular flag, bright red flag background. The center of the star is in the center of the flag, one wing is facing straight up, the stars must be straight. The width of the flag is 2/3 of the length. From the center of the star to the tip of a star wing is 1/5 of the length of the flag.
— English translation of relevant text from National Standard TCVN 2242:1977
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.