The flag for Martinique, which may show as the letters MQ on some platforms.
The latest versions of iOS and OS X use the historical snake flag of Martinique for this character. This is used instead of the Flag For France, which is the official flag of Martinique.
The Flag: Martinique emoji is a sequence of the 🇲 Regional Indicator Symbol Letter M and 🇶 Regional Indicator Symbol Letter Q emojis. These display as a single emoji on supported platforms.
Flag: Martinique was added to Emoji 1.0 in 2015.