The first British Fifty Pound note was issued in 1725.
The first gold Fifty Pound coin issued by the Royal Mint was in 1987.
As of my last update, the exchange rate for the British Pound to Nigerian Naira fluctuates, but fifty pence is equivalent to half of one British Pound. Therefore, you would need to convert the current exchange rate of one British Pound to Naira to find the value of fifty pence. For example, if one British Pound equals 800 Naira, then fifty pence would be approximately 400 Naira. Please check the latest exchange rates for the most accurate conversion.
One Pound British in 1860 had the purchasing power of about £63.10 GBP in 2010. This is an approximation based on the value of the pound in 1860 and the value of the pound in 2010, factoring for inflation.
A British 2007 Fifty Pound coin (1/2 ounce fine gold), in absolute mint condition and original packaging, could fetch up to £275 GBP. A British 2007 Fifty Pound coin (1/2 ounce fine gold)(Proof FDC), in absolute mint condition and original packaging, could fetch up to £350 GBP. A reputable coin dealer will be able to give a more accurate valuation.
The face value of anything is whatever is written on it. The face value of a Pound, is a Pound. If you want to find out what the current exchange rate in US Dollars is for a British Pound, see the link below.
A British Pound in 1799 had the purchasing power of about £62.87 GBP today.
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The Shilling has always been 1/20th of a British Pound.
There was no 1811 British Sovereign or One Pound coin minted.
The Pound did not exist as a unit of currency in 1469.
It was worth one pound.
There was no British 1901 Two Pound or Double Sovereign coin produced.