The flag for Tristan da Cunha, which may show as the letters TA on some platforms. Apple devices show the St. Helena flag for both Ascension Island and Tristan Da Cunha.
The Flag: Tristan Da Cunha emoji is a flag sequence combining ? Regional Indicator Symbol Letter T and ? Regional Indicator Symbol Letter A. These display as a single emoji on supported platforms.
Flag: Tristan Da Cunha was added to Emoji 1.0 in 2015.
U+1F1F9
U+1F1E6
?? Regional indicator symbol letter t
?? Regional indicator symbol letter a