The flag for San Marino, which may show as the letters SM on some platforms.
The Flag: San Marino emoji is a flag sequence combining ? Regional Indicator Symbol Letter S and ? Regional Indicator Symbol Letter M. These display as a single emoji on supported platforms.
Flag: San Marino was added to Emoji 1.0 in 2015.
U+1F1F8
U+1F1F2
?? Regional indicator symbol letter s
?? Regional indicator symbol letter m