More than 800 years ago, a Russian boy named Onfim sketched himself on his schoolwork

ONFIM'S SELF-PORTRAIT; Onfim's self-portrait on birch bark suggests he got bored with writing out the Cyrillic alphabet (top right) and then doodled himself slaying an enemy; More than 800 years ago, a Russian boy named Onfim sketched himself on his schoolwork