bank of nigeria N50, N10, N5

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I have a fifty Naira # are 687400.No dates on this one.
I have a ten Naira # are 011148.1900-1971.
I have a five Naira 3 are009547. 1912-1966.
I'm wondering if any one can tell me what there worth.
The 50 and the 5 are in great condition.
The 10 looks well used in its day.Can provide pictures.