As I type this the value of 1 pound of gold is $18,040.00
A pound is worth £1. if you want to make £1 you can have 100 1p's, 50 2p's, 10 10p's, 5 20p's, 2 50p's or 1 £1 coin.
Ireland does not use the dollar and never has, so there is no such thing as an Irish 1 dollar coin. Ireland was using the pound in 1952, but there was no 1 pound coin. So whatever coin you have, cannot be either an Irish one dollar coin nor an Irish one pound coin from 1952.
A US "penny" is actually a 1 cent coin, worth 1/100 of a dollar. A British penny (the coin's official name) is worth 1/100 of a pound sterling.
A 1 pound Silver Eagle is worth about $200.
512.00 is the spot price on the current market for 1 pound troy ounce fine silver morgan dollar proff dated 1878 but my advice is find a coin dealer or even better a private coin collector and your coin would be worth closer to 750.00
Assuming it's from circulation, £1.
It's worth 1/10 of a British Pound. You can find them in US dealers' misc foreign coin boxes for a quarter.
1 kilogram of pound coins is equivalent to approximately 109 coins, so 3 kilograms would be around 327 coins. As of 2021, one British pound coin is worth 1 GBP. Thus, 3 kilos of pound coins would be worth approximately 327 GBP.
Currently, British general circulation currency comes in the following denominations - 1 Penny coin 2 Pence coin 5 Pence coin 10 Pence coin 20 Pence coin 50 Pence coin 1 Pound coin 2 Pound coin 5 Pound note 10 Pound note 20 Pound note 50 Pound note
The worth of the American dollar is around $1.62 per british Pound Use XE dot com to get the current exchange rate.
It is worth whatever one troy pound of silver is worth. Since 1 troy pound is 12 troy ounces and since one troy ounce of silver is worth ~$22, your coin is worth $264. However, keep in mind that silver prices fluctuate on a minute by minute basis.