The flag for Bhutan, which may show as the letters BT on some platforms.
The Flag: Bhutan emoji is a flag sequence combining ? Regional Indicator Symbol Letter B and ? Regional Indicator Symbol Letter T. These display as a single emoji on supported platforms.
Flag: Bhutan was added to Emoji 1.0 in 2015.
U+1F1E7
U+1F1F9
?? Regional indicator symbol letter b
?? Regional indicator symbol letter t