Three Chinese characters (?) on the entrance of the History Museum of Ho Chi Minh city (Characters identified: 寶藏院)
it's 寶藏院, roughly &quot;the courtyard (院) of treasure (寶藏)&quot;
the right one is 寶:
http://humanum.arts.cuhk.edu.hk/Lexis/lexi-mf/search.php?word=%E5%AF%B6
middle one is 藏:
http://humanum.arts.cuhk.edu.hk/Lexis/lexi-mf/search.php?word=%E8%97%8F
left one is 院:
http://humanum.arts.cuhk.edu.hk/Lexis/lexi-mf/search.php?word=%E9%99%A2