The flag for Guinea-Bissau, which may show as the letters GW on some platforms.
The Flag: Guinea-Bissau emoji is a flag sequence combining ? Regional Indicator Symbol Letter G and ? Regional Indicator Symbol Letter W. These display as a single emoji on supported platforms.
Flag: Guinea-Bissau was added to Emoji 1.0 in 2015.
U+1F1EC
U+1F1FC
?? Regional indicator symbol letter g
?? Regional indicator symbol letter w