The flag for Cook Islands, which may show as the letters CK on some platforms.
The Flag: Cook Islands emoji is a flag sequence combining ? Regional Indicator Symbol Letter C and ? Regional Indicator Symbol Letter K. These display as a single emoji on supported platforms.
Flag: Cook Islands was added to Emoji 1.0 in 2015.
U+1F1E8
U+1F1F0
?? Regional indicator symbol letter c
?? Regional indicator symbol letter k