The flag for Samoa, which may show as the letters WS on some platforms.
The Flag: Samoa emoji is a flag sequence combining ? Regional Indicator Symbol Letter W and ? Regional Indicator Symbol Letter S. These display as a single emoji on supported platforms.
Flag: Samoa was added to Emoji 1.0 in 2015.
U+1F1FC
U+1F1F8
?? Regional indicator symbol letter w
?? Regional indicator symbol letter s