How do you tell if a Zambia Fifty Kwacha is real or fake?

Zambia's 50 Kwacha bill has the following safety features: a holographic LEAD stripe, a windowed security thread and a watermark of a fish eagle and electrotype 50 plus fish eagle. The general color scheme of the bill is blue and brown. On the front you should see a fish eagle and a big fig tree; on the back you should see a panther, an office building and a statue. google '50 Kwacha bill' and you will find a picture. Its value is about 8 US dollars.