Maximum flags of UN recognised countries painted on a single egg shell

Chengize Hassan (born on January 31, 2001) of Assam, India, set a record for drawing the maximum number of flags of UN recognised countries on a single egg shell. He accurately drew and painted 138 flags (each flag measuring 1 cm x 0.4 cm) of 138 UN recognised countries on a single egg shell in 1 hour, 40 minutes and 8 seconds, as confirmed on June 4, 2021.