I'd like to see that, too. I'm skeptical about this -- especially the part where she burned her identity documents to avoid being linked to a Communist coup that occurred when she was 102. Everyone knows that little old ladies are not to be trifled with, but this is going a little far.

Carbon-14? /jk

No. Whatever markers we have for aging, even if they were accurate, wouldn't be validated for someone that old, because we've never seen one.

You can prove she isn't 157 years old by checking her pulse.