i have a blank Nigerian three pence piece which has been struck between a British three pence die
it has been with the royal mint for the last 8 weeks being looked at heres the letter i got back
Examination by x-ray fluorescence spectrometry has confirmed that this is an error in production where by a nickel-brass blank, which would normally be used in the production of Nigerian three pence piece, appears to have been struck between British three pence dies
Assistant curator
The royal mint museum
let us no wot you think