Nigerian doctor left in shock after breaking her piggy bank and discovering how much was in it

There have been a series of stories of people's money disappearing mysteriously from their Piggybank with many saying it's diabolic.
Now a Nigerian doctor has taken to her Twitter page to share her own strange experience.
According to her, she was expecting to see at least N20-N30k, but after breaking her piggybank she found only N600.
 See her tweet below